New York Mets infield prospect Jefferson Rojas ended his 2026 campaign with a bang, going 4-for-5 at the plate with a pair of singles, a double, and a home run. The Mets' top prospect showed well during his time with the team since coming over in the Clay Holmes trade in early August, slashing .286/.342/.619 with nine home runs in 26 games for the Rumble Ponies. Including his time with the Cubs organization, the 5-foot-11 Dominican hit .273 with 24 home runs and 19 steals in 117 games, while striking out at just a 16.2 percent clip (8.8 percent walk rate). MLB's No. 76 overall prospect should see time at Triple-A in 2027 and will be knocking on the door to the majors. The Mets were willing to give several young prospects a chance in 2026, and could do so again next year; with Rojas' ability to play third base, second base, or shortstop, there are multiple pathways to the majors. With a solid all-around skill set and the potential to be an early contributor next year, the 21-year-old maintains solid value in dynasty formats.

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Across 426 plate appearances in 2026, Miami Marlins outfielder Heriberto Hernandez is hitting .228/.312/.466 with 24 home runs, 63 RBI, 45 runs scored, and 11 stolen bases. With a 27.5% strikeout rate, Hernandez profiles as a batting average drain for fantasy managers. However, the 26-year-old carries high-end power upside with a 13.7% barrel rate and a 47.3% hard-hit rate. Hernandez also offers some intriguing speed potential, as he's 11-for-15 as a base stealer this season and has logged six stolen bases since the All-Star break. In leagues where he remains available on the waiver wire, Hernandez profiles as one of the more appealing power/speed targets for fantasy managers.

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Across 213 plate appearances this season, Boston Red Sox infielder Nick Sogard is hitting .267/.364/.406 with four home runs, 16 RBI, and 26 runs scored. The 29-year-old's power upside is limited, as he's posted just a 4.9% barrel rate and a 29.9% hard-hit rate. However, Sogard has kept his strikeout rate under 20% while also walking in 13.1% of his plate appearances. Sogard also has the ability to line up at every defensive spot in the infield, which helps keep him in the Red Sox lineup on a near-everyday basis. Sogard's lack of power and speed caps his fantasy upside and his utility in shallower leagues. Still, in deeper-league formats, his multi-positional eligibility and balanced plate approach make him a useful depth piece to target on the waiver wire.

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Boston Red Sox catcher/first baseman Mickey Gasper has been a revelation in 2026. Across 191 plate appearances this year, the 30-year-old is hitting .270/.384/.491 with eight home runs, 22 RBI, and 23 runs scored. Gasper got off to a relatively slow start to 2026, which led to him spending much of the middle portion of the season at Triple-A. However, since being recalled by the Red Sox in mid-August, he's emerged as an everyday fixture at the top of the team's lineup at either first base or designated hitter. Gasper's plate approach has been elite, as he's walked in 13.1% of his plate appearances while posting just a 14.7% strikeout rate. The switch-hitter has also dominated right-handed pitching, posting a .964 OPS with more walks than strikeouts while batting from the left side of the plate. Gasper's numbers have started to regress a bit of late, as he has just five hits across his first 30 plate appearances in September. Still, he remains a must-add waiver wire target for fantasy managers given his recent success in Boston.

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New York Yankees starting pitcher Cam Schlittler picked up his 13th win of the season on Tuesday night, allowing just three hits and one earned run while striking out 10 across seven innings of work in his team's 5-3 victory over the Colorado Rockies. The 25-year-old has been one of the best pitchers in baseball in 2026, recording a 13-6 record with a 2.01 ERA, 0.92 WHIP, and 220 strikeouts across 178 2/3 innings (30 starts). Schlittler has been especially dominant of late, allowing just five earned runs while recording three wins and 49 strikeouts across his last 39 innings (six starts). He's averaging 98.0 miles per hour on his four-seam fastball and has struck out 31.0% of the batters he's faced while posting just a 6.2% walk rate. As long as he stays healthy, Schlittler looks like a high-end SP1 for fantasy managers down the stretch of the season.

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Across 400 plate appearances in 2026, Atlanta Braves outfielder Ronald Acuna Jr. is hitting .253/.350/.442 with 16 home runs, 45 RBI, 52 runs scored, and 20 stolen bases. Relative to the lofty bar he's set for himself in his career, Acuna Jr.'s numbers so far this season have been underwhelming. However, the 28-year-old has shown signs of a late-season surge in recent games. Across his first 26 plate appearances of September, Acuna Jr. has hit .417 with three home runs and nine RBI. Acuna Jr.'s underlying metrics have generally been trending in the right direction in the second half of the season, as he's posted a 49.1% hard-hit rate since the All-Star break after logging a 43.4% hard-hit rate in the first half of the year. When Acuna Jr. is fully healthy and has everything going at the plate, his five-category upside remains as high as just about any player in baseball. If he continues his current tear, Acuna Jr. could swing fantasy leagues in September.

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Across 615 plate appearances in 2026, Tampa Bay Rays designated hitter Yandy Diaz is hitting .305/.372/.467 with 21 home runs, 77 RBI, 83 runs scored, and three stolen bases. Even at 35 years old, Diaz remains one of the most reliable hitters in baseball. He consistently hits the ball hard (48.1% hard-hit rate) while also avoiding swing-and-miss (14.1% strikeout rate), which makes him a high-end batting average asset for fantasy managers. Diaz is also the everyday leadoff hitter in Tampa Bay, which gives him a chance to top 90 runs and RBI in 2026. The veteran slugger is off to a scorching hot start to September, hitting .400 with two home runs and five extra-base hits across his first 33 plate appearances this month. As long as he stays healthy the rest of the way, Diaz should continue to provide excellent four-category production for fantasy managers.

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Washington Nationals infield prospect Eli Willits was promoted to Double-A Harrisburg on Tuesday after a strong campaign split between Single-A and High-A, per Spencer Nusbaum of the Athletic. The Nats' top-ranked prospect (MLB No. 4) slashed .300/.418/.500 in 47 games at Single-A, then .230/.392/.420 in 64 games at Double-A. Though the batting average took a dip at the higher level, his strikeout rate improved by more than four percent, settling in at 19.0 percent, which was also right around his walk rate of 18.7 percent. The speed was evident regardless of level, with the former first-overall draft pick swiping 60 bags in all this season. With a strong combination of contact, power, and speed, there's a reason why the switch-hitter is so highly regarded, and although the 18-year-old won't debut for a couple of years, he's a prized dynasty asset.

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Chicago Cubs first base/outfield prospect Josiah Hartshorn parlayed his regular-season success into postseason success, registering an impressive performance in Game 1 of the High-A playoffs on Tuesday, albeit in a losing effort. The South Bend Cubs lost 8-3 to High-A Quad Cities, but Hartshorn went 3-for-5 with a solo home run in the contest. The Cubs' top-ranked prospect (MLB No. 39) began the season at Single-A and was promoted to High-A after just 39 games, proceeding to excel at the next level. The 2025 sixth-round draft pick hit .297 with 18 home runs and 12 steals in 83 games, while his .965 OPS led the entire Midwest League. The switch-hitter boasts big power, and although his strikeout rate increased with the advancement to High-A, it was still just 21.4 percent, while he continued to display a keen eye, walking at a 14.6 percent rate. Look for the 19-year-old to potentially make a run at Triple-A at some point next season, and debut in 2028. With an arrow pointing up, managers in dynasty leagues, especially those looking for some future power production, should be looking to stash him away if still available.

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Yankees' SP Cam Schlittler recorded 10 strikeouts in 7 innings getting the win in a 5-3 win over the Rockies on Tuesday, Sep. 8.

Across 389 plate appearances in 2026, Baltimore Orioles third baseman/first baseman Coby Mayo is hitting .223/.288/.456 with 21 home runs, 58 RBI, 56 runs scored, and three stolen bases. With his 31.4% strikeout rate, Mayo profiles as a likely batting-average liability for fantasy managers. However, the 24-year-old has also demonstrated high-end power upside this season with a 13.0% barrel rate and a 48.5% hard-hit rate. Mayo has also been on a hot streak in the second half of the year, hitting .279 with nine home runs, 24 RBI, and 26 runs scored across 139 plate appearances since the All-Star break. For fantasy managers looking for power, Mayo should be a priority corner infield target on the waiver wire.

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Houston Astros starting pitcher Hayden Wesneski picked up his fifth win of the season on Tuesday, allowing three earned runs while striking out three across six innings of work in his team's 6-5 win over the Philadelphia Phillies. Wesneski missed the first half of the 2026 season while recovering from Tommy John surgery. However, the 28-year-old has been effective since returning to the Astros rotation in late July. Across 45 2/3 innings (eight starts), Wesneski has recorded a 5-1 record with a 3.35 ERA, 1.04 WHIP, and 36 strikeouts. Including his outing against Philadelphia on Tuesday, the right-hander has logged four consecutive starts of at least five innings pitched and three or fewer earned runs allowed. Wesneski profiles as a priority streamer option for fantasy managers ahead of his next scheduled start at Tropicana Field against the Rays on Sunday.

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Across 421 plate appearances in 2026, Miami Marlins utility man Javier Sanoja is hitting .291/.331/.441 with eight home runs, 57 RBI, 41 runs scored, and nine stolen bases. The 24-year-old does not profile as a power asset for fantasy managers, as he's logged just a 2.2% barrel rate and a 31.4% hard-hit rate this year. However, Sanoja has also posted just an 8.1% strikeout rate in 2026, making him one of the most difficult batters to punch out in all of baseball. Between his ability to put the ball in play and his above-average speed, Sanoja profiles as a high-end source of batting average for fantasy managers. The 24-year-old has also spent time this season at every defensive position other than first base, catcher, and pitcher, which helps keep his playing time in Miami stable. In deeper leagues, Sanoja's balanced profile makes him an appealing waiver wire target.

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Seattle Mariners outfielder Lazaro Montes (hip) returned to his team's lineup on Tuesday, batting eighth and playing designated hitter against the Texas Rangers. Montes was sidelined by a hip injury throughout most of the weekend after crashing into the right-field wall in Seattle on Friday night. The 21-year-old made his MLB debut with the Mariners on September 1 and has logged three hits and a home run across his first 15 big-league plate appearances. Montes was having a monster year in the minors before getting the call, hitting .249 with 38 home runs, 96 RBI, 99 runs scored, and eight stolen bases across 542 plate appearances split between Double-A and Triple-A. Swing-and-miss is a major issue in his profile at the plate, but Montes holds tremendous power upside and could be a game-changer for fantasy managers down the stretch.

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Chicago Cubs outfielder Ian Happ (knee) returned to his team's lineup for their matchup against the Milwaukee Brewers on Tuesday. Happ was held out of Chicago's game against the Brewers due to left knee discomfort, but it appears that he is not dealing with a serious injury. Across 579 plate appearances entering play on Monday, Happ was hitting .221/.327/.416 with 23 home runs, 64 RBI, 81 runs scored, and four stolen bases. The 32-year-old's batting average is weighed down by his elevated 30.4% strikeout rate, but Happ's 12.4% walk rate and elite defense in left field keep him in the Cubs lineup every day when healthy. Happ has also been exceptionally durable in his career, as he looks to be on track to top 650 plate appearances for the fifth consecutive season in 2026. Now that he's back in the Cubs lineup, Happ profiles as a quality source of power and run production for fantasy managers.

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Atlanta Braves manager Walt Weiss said that right-hander Bryce Elder (knee) underwent knee surgery on Tuesday and will miss three to four weeks as a result of the procedure, per Mark Bowman of MLB.com. While Elder has a chance to return to the postseason, his regular season is likely over. Across 149 innings (26 starts) before the injury, Elder recorded an 8-8 record with a 4.11 ERA, 1.27 WHIP, and 121 strikeouts. The 27-year-old's fantasy upside is limited by his subpar 19.1% strikeout rate. However, Elder proved himself to be a capable starting pitcher streamer at different points in 2026, especially while pitching in front of the potent Braves lineup. With Elder sidelined, Braves right-hander AJ Smith-Shawver's place in the team's rotation is likely safe down the stretch of the season.

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New York Mets right-handed closer Devin Williams (shoulder) is scheduled to throw off a mound for the first time since he landed on the 15-day injured list with a right-shoulder strain, according to the New York Post's Mike Puma. Williams is still optimistic that he can pitch again this season. The veteran reliever has been out nearly a month with his injury, and although the Mets have nothing left to play for, he is hoping to return before the end of the regular season at the end of September. In Williams' absence, former starter Kodai Senga has taken to the team's closing job rather nicely after a brutal start to his 2026 season. Fantasy managers should not feel the need to hang onto Williams just because he thinks he has a chance to return this month. Even if he is reinstated from the IL within the next few weeks, he will not be guaranteed to pitch in the ninth inning. The two-time All-Star has been inconsistent again in his first year with the Mets in 2026, going 3-2 with a 4.66 ERA (3.10 FIP) and 1.65 WHIP with 16 saves, 51 strikeouts, and 21 walks in his 38 2/3 relief innings.

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Cleveland Guardians rookie outfielder Chase DeLauter (wrist) remains absent from the team's starting lineup on Tuesday on the road against the Baltimore Orioles, per MLB.com. Angel Martinez will get another start in right field and will bat sixth versus Orioles right-hander Brandon Young. It will be DeLauter's fourth straight game on the bench with a right-wrist sprain that he suffered late last week. The Guardians are not expecting DeLauter to land on the injured list, but if his absence continues, they could change their stance. His next chance to play will be in Wednesday's series finale against Baltimore, but with a scheduled day off coming on Thursday, it is more realistic that we will not see him again until Friday's series opener versus the division-rival Minnesota Twins on the road at Target Field. The 24-year-old former first-rounder from James Madison University has been a consistent offensive producer in Cleveland in 2026 when he has been healthy, hitting .294 (131-for-445) with 13 long balls, 60 RBI, 56 runs scored, and 10 steals across his 120 games and 499 plate appearances. DeLauter is rostered in 64% of Yahoo leagues.

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Kansas City Royals first baseman/outfielder Jac Caglianone (elbow) remains sidelined with an elbow injury on Tuesday against the Arizona Diamondbacks at Kauffman Stadium, according to MLB.com. Matthew Lugo is making the start in right field for the Royals and will bat eighth against Diamondbacks right-hander Corbin Burnes (elbow), who is making his 2026 debut. This will be Caglianone's third straight missed start due to a flexor strain in his left elbow. His next chance to play will be in Wednesday's series finale against Arizona, but with an off day coming on Thursday, the Royals might hold the left-handed slugger out until Friday's series opener at Fenway Park against the Boston Red Sox. It is bad timing for Caglianone to be banged up with the fantasy playoffs starting in many leagues this week. After a slow start in 2026, the former sixth overall pick from Florida has taken off and is now sporting 23 home runs, 70 RBI, 66 runs scored, six steals, and a .283/.331/.494 slash line in 474 at-bats. When he returns to the Royals' lineup, he will be a must-start for his left-handed power.

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New York Yankees outfielder Aaron Judge (rib) is starting in right field and batting third in his return on Tuesday against the visiting Colorado Rockies and right-hander Gabriel Hughes, according to MLB.com. It will be Judge's first major-league game since the end of May, when he suffered a stress fracture in a rib on his right side. Because he did not go on a minor-league rehab assignment before coming off the 60-day injured list on Monday, manager Aaron Boone plans to ease the three-time MVP back into the fold, so fantasy managers should expect some early exits and frequent days off. It has been a disappointing 2026 season overall for the 34-year-old veteran, but he has returned at the right time and can help fantasy managers during the postseason. Judge is returning to a .248/.375/.533 slash line with a .907 OPS, 17 home runs, 38 RBI, 43 runs scored, and five stolen bases across his first 214 at-bats this year. He has never faced Hughes in his major-league career.

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