Chicago White Sox catcher Welington Castillo was officially suspended 80 games by Major League Baseball after testing positive for Erythropoietin. Castillo is no longer worth owning in any format. Castillo hit .267 with six home runs and 15 RBI. Omar Narvaez will take over behind the dish and can be avoided in all formats.

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The Chicago White Sox have called up outfielder Charlie Tilson after placing outfielder Leury Garcia (knee) on the disabled list. Tilson has hit .248 with seven stolen bases for Triple-A Charlotte and can be avoided in all formats.

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Toronto Blue Jays starting pitcher Marco Estrada had a good outing last week against the Oakland Athletics, allowing three earned runs on seven hits and zero walks with six strikeouts in 6 2/3 innings pitched. While he'd certainly like to replicate that against the Los Angeles Angels on Thursday, that will be a tough task. The Athletics are a good offense, but the Angels are a slightly better one that strikes out a lot less. They rank eighth overall in runs scored, and 10th in team OPS -; however, they also strike out the fifth-least in baseball, a total of 378 times. With Estrada's skillset he's always a solid start, but we wouldn't expect him to truly build upon last week's effort.

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Chicago White Sox outfielder Leury Garcia (knee) has been placed on the 10-day disabled list with a left knee sprain. Garcia was injured when stole third base on Wednesday. Garcia had been hitting the ball well replacing outfielder Avisail Garcia (hamstring). Trayce Thompson will likely see more at-bats with Garcia sidelined and can be avoided in all formats. Outfield prospect Charlie Tilson will take the roster spot of Garcia.

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The Boston Red Sox have activated right-handed pitcher Hector Velazquez (lower back) off of the disabled list. Velazquez has had a solid season so far compiling a 5-0 record to go along with a 2.10 ERA across 25.2 innings of work. He projects to go back to the bullpen, although he could be used as a spot starter on occasion. Lefty Bobby Poyner was sent down to Pawtucket Triple-A to accommodate the move. At this point, it seems that Velazquez will only offer fantasy value in leagues that have holds as a scoring category. His value would increase tenfold if he ever carves out a consistent spot in the starting rotation, but that seems highly unlikely.

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Toronto Blue Jays first baseman Justin Smoak is not in the lineup on Thursday against starting picker Nick Tropeano and the Los Angeles Angels. Kendrys Morales will get the start at first base in his place. It sounds like a normal day of rest for Smoak, who has had a very underwhelming 2018, and could use a day off. With only six home runs this year, Smoak is far off the power surge he displayed in 2018. Other lineup news for this one includes Josh Donaldson starting at designated hitter in place of Morales, Yangervis Solarte playing the hot corner in place of Donaldson, and Luke Maile getting the start at catcher in Russell Martin's stead.

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After not getting the save in his last two appearances, Miami Marlins closer Brad Ziegler picked up his ninth save of the year on Wednesday in the Marlins' 2-1 win over the Mets. Ziegler is now tied for 15th in the majors in saves, but among closers with at least nine saves his 6.55 ERA is the highest, his 4.15 FIP is the third-highest and his 5.7 K/9 is the lowest. Owners who are desperate for saves should have little problem acquiring Ziegler, who is owned in 31 percent of Yahoo! leagues and 13.3 percent of ESPN leagues, but saves are the only category that you should expect to get help from him.

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Toronto Blue Jays outfielder Randal Grichuk didn't have a great first rehab game on Tuesday, finishing 0-for-2 with two strikeouts. On Wednesday, he rebounded nicely in his second effort by crushing a two-run bomb and playing six innings in right field. That's more of what we'll need to see from Grichuk before starting to think about fantasy relevance. During his absence due to a sprained right PCL, Toronto's outfield of Curtis Granderson, Kevin Pillar, and Teoscar Heranndez have mostly been productive. Prior to his injury, Grichuk was…not (as evidenced by his .108/028/.227 slash line). It will be interesting to see how this one shakes out; there's no need to run to your free agent pool to add him.

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New York Mets catcher Kevin Plawecki made his rehab assignment debut on Wednesday for Triple-A Las Vegas, and suffice to say, it was a good one. Plawecki played five innings at the backstop position, and hit a home run. You can't ask for much more than that. Plawecki will need a few more days before he's ready to join the big club, but clearly he's on the right track. The question here is what his playing time situation will be like with the recently-acquired Devin Mesoraco. Mesoraco has played pretty well, but we're still likely looking at something close to a near-split -; assuming Plawecki plays well enough to deserve it.

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Toronto Blue Jays second baseman Devon Travis has been all kinds of terrible across multiple levels in 2018, but at least for one night, he showed a glimpse of the talent he's demonstrated previously. In a 5-4 loss to the Los Angeles Angels, Travis finished 1-for-3 with a home run. It was his second home run in what has been a disastrous season for him. He's slashing a miserable .139/.208/.284 across 67 at-bats for the Majors, and only has slightly better numbers than that for Triple-A Buffalo. It's always possible Travis gets it going, but for now you need to stay far away from him for fantasy purposes.

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The words "no-decision" and "Jacob deGrom" have almost become synonymous in 2018, but alas, the New York Mets' bullpen simply can't get it done for their ace starting pitcher. Against the Miami Marlins on Wednesday, deGrom was incredible once again, throwing scoreless seven innings while allowing only four hits and two walks with eight strikeouts. He left the game with a 1-0 lead that was blown in the ninth inning. deGrom has allowed exactly one earned run over his last six starts (two of which were shortened, but still); a incredible total of 33 1/3 innings pitched. He has 37 strikeouts over that span compared to eight walks. deGrom is simply amazing, and needs to be in your lineup regardless of matchup.

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Cincinnati Reds starting pitcher Luis Castillo will take the mound against a hot Pirates offense on Thursday. The Pirates offense is currently fourth in the league in batting average and on-base percentage and sixth in runs batted in. Castillo got off to a rough start this season but has posted a tidy 2.78 ERA with 27 strikeouts and seven walks over 22 2/3 innings in his last four starts. Despite the tough matchup, fantasy owners should not be afraid to put Castillo in their starting lineups.

From RotoBaller

New York Mets closer Jeurys Familia has been very, very good in 2018, but unfortunately he had himself quite the off day on Wednesday against the Miami Marlins. Entering the ninth inning with a slim 1-0 lead, Familia melted down by allowing two earned runs on four hits and a walk while striking out one. It was Familia's fourth blown save of the year, though some of his others are a little unfair to put on him given the situation that was handed him when he entered those games. Familia still owns a sparkling 2.35 ERA and 1.13 WHIP with 28 strikeouts in 23 innings pitched. His hold on the ninth inning is secure in Queens.

From RotoBaller

It feels like every day, we write something like "player X was the only source of offense for the New York Mets". On Wednesday, that statement rang true with outfielder Brandon Nimmo being player X. In a 2-1 loss to the Miami Marlins, Nimmo was the lone bright spot for the Amazins, finishing 2-for-3 with a home run and a walk. The longball was Nimmo's third of the season. Perhaps most impressively, though, is Nimmo's OBP which now sits at a robust .423. Nimmo is likely always going to be one of those players who is better in real life than for fantasy purposes, but in OBP leagues his value is obviously much higher with a statistic like that.

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Toronto Blue Jays starting pitcher Aaron Sanchez attempted to rebound from his last poor start on Wednesday night against the Los Angeles Angels, and while it wasn't bad, it wasn't great either. Sanchez actually didn't allow any runs across five innings pitched, but he was particularly lucky to do so after walking five and striking out only two. The ERA is of course nice, but not the overall stat line owners were looking for. Sanchez has a much more difficult task on Monday when he takes on the Boston Red Sox at Fenway Park, a matchup we would recommend avoiding him in if you can.

From RotoBaller

This is why you can't trust Toronto Blue Jays reliever Tyler Clippard. While he has (or should I say, had) sparkling statistics on the season, Clippard is always prone to blowup outings that will simply ruin a fantasy owner's day. After clean efforts in his first two save opportunities with normal closer Roberto Osuna on administrative leave, the third time was the charm for Clippard as he blew the save by allowing four earned runs on two hits and three walks without striking anyone out. Clippard is simply not a great pitcher, and while he'll get save opportunities if he remains Toronto's ninth inning man of choice, he is likely going to hurt your averages more often than you'd like.

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Miami Marlins starter Dan Straily recorded his second straight quality start on Wednesday night against the Mets, throwing six innings of one-run ball. The only run Straily allowed came on a fifth-inning home run, as he allowed only four hits and three walks while striking out five, but did not factor into the decision. After two shaky starts following his return from the disabled list, Straily is now 2-0 over his last three starts with an 8.0 K/9 and 1.50 ERA. Going forward owners should consider adding Straily in deep mixed and NL-only leagues, especially with a good matchup coming in his next start at San Diego on Tuesday.

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Minnesota Twins right-hander Kyle Gibson turned in a quality start against the Detroit Tigers on Wednesday, allowing three runs in six innings of work. Gibson wound up taking the loss as the Twins' offense was held to just one run by the Detroit pitchers. Gibson has been a solid member of the Minnesota rotation in 2018, posting a 4.02 ERA and striking out a solid 9.32 batters per nine innings over his 10 starts. He has turned into a decent option in AL-only leagues and is on the streaming radar in all leagues when he has a favorable matchup. His next start will come against the Cleveland Indians on Sunday.

From RotoBaller

Minnesota Twins outfielder Eddie Rosario went 3-for-4 with one RBI in his team's 4-1 loss to the Detroit Tigers on Wednesday. Rosario is putting together a solid month at the plate, batting .324 with seven homers, 21 runs, 18 RBI, and two steals over the past 30 days. The veteran outfielder broke out in 2017 and is well on his way to establishing himself as a top-end fantasy outfielder going forward.

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Cincinnati Reds second baseman Scooter Gennett stayed hot on Wednesday, launching his second homer in as many nights. It wasn't enough as the Reds lost to the Pittsburgh Pirates 5-4 in 12 innings. Gennett has been on quite the run of late, hitting a grand slam on Tuesday and driving in six runs. The veteran second baseman is now batting .328 with nine homers, 25 runs, 34 RBI, and one steal in 2018. He is developing into one of the top fantasy second basemen in the National League.

From RotoBaller