The Seattle Mariners are officially acquiring infielder/outfielder Brendan Donovan from the St. Louis Cardinals on Monday in a three-team trade that will include third baseman Ben Williamson going to the Tampa Bay Rays and pitching prospect Jurrangelo Cijntje going to the Cardinals, a source told Joel Sherman of the New York Post. Donovan has mostly played second base in St. Louis in his four years in the big leagues, but he can also play third, shortstop, and the outfield, giving Seattle some positional versatility. In his new digs, Donovan will most likely play third base and is a candidate to hit atop the batting order for the M's. The 29-year-old was a first-time All-Star in 2025 with the Cards, but he could have had an even bigger season if not for toe and groin injuries that limited him to 118 games. Donovan slashed .287/.353/.422 with a .775 OPS, 10 homers, 50 RBI, and 64 runs. He makes plenty of contact and can hit for average, but outside of that, he's not a great fantasy baseball asset with limited power and speed.

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The Tampa Bay Rays are acquiring third baseman Ben Williamson from the Seattle Mariners on Monday in a three-team deal that also includes the St. Louis Cardinals, according to Joel Sherman of the New York Post. Williamson is mostly known for his glove at the hot corner. The 25-year-old former second-rounder in 2023 made his major-league debut in Seattle in 2025 and hit .253/.294/.310 with a .604 OPS, only one home run, 21 RBI, 36 runs scored, and five stolen bases in 277 at-bats over 85 games played. It was looking like he would benefit in 2026 with Eugenio Suarez signing with the Reds in free agency, but now that he's in Tampa, he'll most likely begin the season at Triple-A Durham with Junior Caminero locking down the third base job at the big-league level. Williamson also makes decent contact, but as a bench player with limited power, he won't be on the fantasy radar in Tampa.

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The Cleveland Guardians announced on Monday that they re-signed left-hander Kolby Allard to a minor-league deal that includes a non-roster invite to major-league spring training. The 28-year-old southpaw had a career-best 1.3 bWAR with a 2.63 ERA in 33 games (two starts) last year for Cleveland, mainly in a long-relief role. He also had a career-high four holds and a 12 1/3 scoreless-inning streak to close out the campaign. Allard had a 1.20 WHIP with 42 strikeouts and 14 walks in 65 regular-season innings. If Allard wins a roster spot out of spring training, he'll most likely serve in a long-relief role for the Guards, limiting his fantasy appeal. The former first-rounder by the Atlanta Braves in 2015 has pitched for four teams already in his first eight big-league seasons and has a career 5.34 ERA, 1.39 WHIP, 269 strikeouts, and 106 walks in 109 appearances (44 starts).

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Although Atlanta Braves right-handed pitching prospect Hurston Waldrep looked great in 10 outings (nine starts) for the team in 2025, MLB.com's Mark Bowman writes that he's not assured of a starting rotation spot out of spring training. Waldrep will be a rotation option alongside Martin Perez, Bryce Elder, and Joey Wentz. Perez, Elder, Wentz, and Grant Holmes (elbow) are all out of minor-league options, which means that Waldrep could be ticketed to start the 2026 season at Triple-A Gwinnett. Still, Bowman adds that Waldrep could end up being the most valuable of the "fifth-starter" candidates by the end of the season. In 56 1/3 innings, the 23-year-old had a 2.88 ERA, 1.19 WHIP, and 55:22 K:BB while also going 6-1. Chris Sale and Spencer Strider are at the top of Atlanta's rotation, with Spencer Schwellenbach (elbow), Reynaldo Lopez (shoulder), and Holmes all coming off injuries. Although Waldrep had a mediocre 24% strikeout rate with the Braves, he should be a rotation option for the team sooner than later in 2026.

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Free-agent outfielder Avisail Garcia announced his retirement from professional baseball on Monday after 13 seasons in the big leagues with five different teams (White Sox, Marlins, Brewers, Tigers, and Rays). Garcia made the All-Star one time, when he hit .330 with 18 home runs and 80 RBI in 136 games with the White Sox in 2017. The 34-year-old Venezuelan didn't play at all last year after having surgery to fix a fracture and disc issue in his lower back. He spent the last three years of his career in Miami, slashing .217/.260/.322 with a .582 OPS, 13 home runs, 49 RBI, 43 runs scored, and six stolen bases in 153 games over 549 plate appearances. Garcia was unable to play 100 games in each of his last five years in the big leagues due to injuries. He'll finish his 13-year career with a .263/.316/.417 slash line, .733 OPS, 140 home runs, 524 RBI, 496 runs scored, and 51 stolen bases in 1,104 regular-season contests.

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After the worst offensive season of his career (.732 OPS), Los Angeles Dodgers shortstop and former MVP Mookie Betts said his offseason consisted of "rewiring" his body to try to eliminate the flaws that slipped into his swing in 2025, according to Fabian Ardaya of The Athletic. The 33-year-old was sapped of 20 pounds and much of his strength right before the start of last season due to a stomach virus, and from there, bad habits developed. "It was kinda like a snowball effect," Betts said. He believes his preparation last offseason for becoming a full-time shortstop also threw his routine off. Betts thinks he's in a "really good spot" going into his seventh year in L.A. as the Dodgers try to three-peat. Things will only get more difficult for Betts at his size (5-foot-10, 180 pounds). He should have a decent floor as the likely No. 3 hitter in a stacked Dodgers lineup, but fantasy managers shouldn't be expecting another MVP-like campaign from the eight-time All-Star.

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The Seattle Mariners are nearing a deal on Monday to acquire infielder/outfielder Brendan Donovan from the St. Louis Cardinals as part of a three-way trade that also includes the Tampa Bay Rays, sources tell Jeff Passan of ESPN. Third baseman Ben Williamson is expected to go from Seattle to Tampa, but the rest of the trade is unknown. The 29-year-old Donovan has been a popular trade candidate this offseason and will give the M's a versatile piece that will likely hit leadoff in his new home. He slashed .287/.353/.422 with a .775 OPS, 10 home runs, 50 RBI, 64 runs scored, and three stolen bases in 118 games for the Cardinals last year while earning his first All-Star nod. Donovan dealt with turf-toe and groin injuries in 2025 and was shut down early due to his groin issue. He also had offseason surgery to fix a sports hernia, although he's expected to be ready for Opening Day. With limited power and speed, Donovan is merely a utility infielder/outfielder in deeper fantasy leagues, even with the impending move to Seattle.

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Toronto Blue Jays right-handed pitching prospect Trey Yesavage said he plans to add a curveball to his repertoire, which already includes a fastball, splitter, and slider, according to Kristjan Lautens of the Toronto Star. "I have a funky (over-the-top) arm angle, so I've just got to play around with it. I would love (a pitch) that moves glove side," Yesavage said. The 22-year-old former 20th overall pick in 2024 started the 2025 season at Single-A Dunedin and ended up what was a whirlwind season as a starter in the postseason for Toronto. He made his first three regular-season starts in September before appearing in six playoff games. Along the way, he set a Blue Jays franchise single-game postseason record by fanning 12 Dodgers hitters in the World Series. Yesavage will begin the 2026 campaign in Toronto's rotation and won't have a strict innings limit. Control was a bit of an issue in his small sample size in the big leagues last year, but Yesavage's upside alone makes him a No. 3 starting pitcher target going into his first full season with the Jays.

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Cincinnati Reds rookie and top prospect Sal Stewart is expected to have a similar role as Eugenio Suarez in 2026 as a designated hitter and corner infielder, according to Mark Sheldon of MLB.com. Ke'Bryan Hayes will be Cincy's regular third baseman. In addition to Suarez, Spencer Steer could also share time with Stewart at first base. Stewart made his MLB debut in 2025 but played in only 18 regular-season games, going 14-for-55 (.255) at the plate with five home runs, eight RBI, and 11 runs scored in 58 plate appearances. The 22-year-old former first-round pick in 2022 is ranked as the No. 22 overall prospect in baseball entering the 2026 campaign, per MLB Pipeline. It was encouraging that he had a 52.5% hard-hit rate and 17.5% barrel rate in the big leagues, and Stewart should be an everyday player for the Reds in his first full year in the big leagues as long as he's healthy. Stewart is a nice late-round flier with a high-end hit tool and above-average power in a hitter-friendly home ballpark.

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Cincinnati Reds infielder/outfielder Spencer Steer, who was a National League Gold Glove finalist at first base in 2025, will play some in the outfield and will have a utility role in 2026, according to MLB.com's Mark Sheldon. Eugenio Suarez and Sal Stewart are expected to see most of the at-bats at designated hitter and first base, so Steer could get squeezed to mostly playing in left field. Elite defenseman Ke'Bryan Hayes will be the starting third baseman. Left field was Steer's primary position in 2024. Although Steer managed to reach the 20-homer mark for the third straight year in 2025, he was mostly a disappointment offensively with a .238/.312/.411 slash line, .723 OPS, 21 homers, 75 RBI, 66 runs scored, and seven stolen bases in 146 regular-season games. It helps that Steer is eligible at first and outfield in most fantasy leagues, but with his playing time potentially taking a dip in 2026, his fantasy stock is on the decline. RotoBaller has Steer ranked as the No. 25 fantasy first baseman.

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Cincinnati Reds two-time National League Gold Glove winner Ke'Bryan Hayes is expected to remain entrenched as the team's starting third baseman, even after the signing of Eugenio Suarez. Suarez is expected to serve as Cincy's primary designated hitter, but he'll also see time at third and first base. Hayes hit .234/.315/.342 with three home runs, 13 RBI, and 16 runs scored in 52 regular-season games for the Reds in 2025 after they acquired him at midseason from the division-rival Pittsburgh Pirates. The 29-year-old was slightly better offensively after the move to Cincy, but his .306 slugging percentage was the worst among qualified hitters last year, and his .595 OPS was second-worst. Hayes' 2026 fantasy profile is slightly better as he enters his first full year with the Reds, but he's a better real-life player for his top-notch glove than a fantasy one. He's the No. 52 fantasy third baseman at RotoBaller.

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The Baltimore Orioles acquired Cuban third baseman Bryan Ramos from the Chicago White Sox on Sunday in exchange for cash considerations, sources told Francys Romero. Ramos will move to the American League East after being designated for assignment by Chicago last week. The 23-year-old only played in four games for the Pale Hose last year, going 2-for-12 with two RBI, a run scored, and four strikeouts. In his first MLB season in Chicago in 2024, Ramos slashed .202/.252/.333 with three home runs, 11 RBI, and 13 runs scored in only 32 games played. At Triple-A Charlotte in 2025, Ramos hit .216/.309/.396 with 16 home runs, 51 RBI, 60 runs scored, and 13 stolen bases in 431 plate appearances. He'll be competing for a roster spot in spring training, and there's a good chance he'll open the 2026 campaign at Triple-A Norfolk as organizational infield depth.

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Cincinnati Reds catching prospect Alfredo Duno is a name to monitor in dynasty formats ahead of the 2026 regular season. Duno is currently listed as the team's No. 2-ranked prospect on MLB.com and the overall No. 48-ranked prospect on MLB.com. Duno joined the Cincinnati system in 2023 and has continued to show high upside at the lower levels. He made his professional debut in 2023 in the Dominican Summer League, where he held a .303/.451/.493 line with a strong .944 OPS. This past season, he spent the entire campaign with Low-A Daytona, where he posted an impressive .287/.430/.518 slash line with 32 doubles, 18 home runs, and six stolen bases. Given his solid play last summer, managers should expect Duno to spend most of 2026 with High-A.

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The Arizona Diamondbacks have invited top outfield prospect Ryan Waldschmidt to big league camp. Waldschmidt is considered the team's top-ranked prospect on MLB.com and the overall No. 66-ranked prospect in the sport. Waldschmidt joined the Diamondbacks in the 2024 Draft and is now knocking on the MLB door. Last summer, the Kentucky product began the season in High-A but reached Double-A by the second half. Through 68 games with High-A, Waldschmidt held a .268/.415/.447 slash line with 13 doubles and nine home runs. During his first taste of Double-A, the outfielder took a step further, holding a stellar .309/.423/.498 line with a .921 OPS. Given Arizona's current outfield, Waldschmidt is a name to closely monitor as he could be in the mix to jump Triple-A and begin the season in the major leagues.

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The Arizona Diamondbacks have officially invited infield prospect Tommy Troy to MLB spring training. Troy was a fast riser in the system last season and is now in a great position to compete for a role on the Opening Day roster in 2026. Troy began the 2025 campaign with Double-A Amarillo and held a .286/.382/.461 slash line with 20 doubles, 12 home runs, and 21 stolen bases. He was then bumped up to Triple-A Reno to close out the campaign, where he continued to perform at a high level. Through 38 games, Troy held a .295/.381/.429 line. He posted an .810 OPS with three home runs and three stolen bases. Currently, Troy figures to compete for a utility role in the infield, serving as a backup option to third baseman Nolan Arenado or shortstop Geraldo Perdomo. He is a name to watch in deeper formats given his five-category upside.

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According to Danny Demilio of PittsburghBaseballNow.com, the Pirates are unlikely to pursue a reunion with infielder Isiah Kiner-Falefa in free agency. Demilio reported that a reunion between both sides appears to be "unlikely for several reasons." While the Pirates were unable to strike a deal with Eugenio Suarez ahead of his signing with the Reds on Sunday, they remain active in the market in looking to bolster their infield ahead of spring training. Currently, Jared Triolo and prospect Nick Yorke are slated to cover the hot corner at the start of the season. Kiner-Falefa has had multiple stints in the Steel City during his career. Last season, Kiner-Falefa held a .262/.297/.334 line across 138 contests split between the Blue Jays and the Pirates. If he were to find a suitor, he would only be worth targeting in AL/NL-only leagues due to his defensive versatility.

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According to Jen McCaffrey of The Athletic, the Boston Red Sox could still look to shop outfielder/designated hitter Masataka Yoshida ahead of spring training. Yoshida posted a .266/.307/.388 slash line with 11 doubles and four home runs across a 66-game stint with Boston last season. He generated a high .270 xBA and showed an elite eye at the plate, posting a low 11.7% K%. During his first two seasons in the majors, Yoshida held an overall .285/.343/.433 line with a .775 OPS. However, given Boston's crowded outfield and acquiring Willson Contreras in the offseason, the Boston lineup is quite crowded and will likely not offer Yoshida everyday at-bats. If he were to be moved, he could carry a sleeper appeal in a full-time role. If he were to open the season in Boston, he would be best left for deeper 15+ team formats as a late-round source of batting average.

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Boston Red Sox second baseman/outfielder Kristian Campbell does not have a defined role on the roster ahead of spring training. Christopher Smith of MassLive.com reports that while the team is viewing Campbell as a fit in the outfield due to his athleticism, the current state of the outfield is quite crowded and will not provide Campbell with everyday at-bats. However, Smith noted that Campbell is still growing offensively and could open the season at Triple-A to not only further his progress but also provide him with everyday opportunities. Last summer, Campbell made his MLB debut and held a .223/.319/.345 slash line with six home runs and two stolen bases across 67 games. Given his current projected playing time, Campbell is only worth a late-round stash in deeper five-outfielder leagues ahead of spring training.

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Arizona Diamondbacks first baseman Pavin Smith may be in danger of losing an everyday role. According to reports by Douglas Santo of ArizonaSports.com, the Diamondbacks have shown serious interest in acquiring another first baseman on the free agent market. They have been linked to free agents Carlos Santana and Paul Goldschmidt. If the team were to sign any of them, this would likely push Smith to a platoon role. Last summer, Smith played in 87 games and showed solid upside, posting a .258/.362/.434 line with a .796 OPS. He hit 17 doubles and added eight long balls. Under the hood, Smith generated an above avergage 11.7% barrel rate with a 46.1% hard-hit rate while drawing walks at an elite 14.2% rate. Smith carries solid upside as a late-round corner infielder given his projected role. However, if the Diamondbacks were to add a veteran option, Smith would fall into a streaming territory given his likely role as a platoon bat.

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According to Chris Cotillo of MassLive.com, the Boston Red Sox did not play a "meaningful role" in Eugenio Suarez's free agent market. On Sunday evening, the slugging third baseman inked a one-year deal to return to Cincinnati. The Pittsburgh Pirates were also in heavy pursuit, but it appears the Red Sox did not make a strong push to upgrade their infield. The Red Sox were linked to several of the top infielders this winter but have been unsuccessful in their free-agent search. With Suarez off the board, the Red Sox could still look for a trade candidate or enter camp with Marcelo Mayer slated to cover third base. Last season, Mayer made his MLB debut and held a modest .228/.272/.402 slash line with four long balls. However, he showed significant upside as he progressed through the Boston system. If he were to open the season as the team's No. 1 third baseman, he would have solid sleeper appeal in deeper formats.

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