SI.com's Jack Sommers reported on Monday that Arizona Diamondbacks outfielder Corbin Carroll (hamstring) has been battling through a tight hamstring. Carroll was still in the lineup for Monday's series-opening, extra-inning win over the visiting Seattle Mariners, though, and went 1-for-5 with a solo home run and a walk. The 24-year-old former National League Rookie of the Year missed a couple games over the weekend, and now we know why. He should be fine, but it's something to keep an eye on moving forward if he misses anymore games. If anything, it could cause the former first-rounder to run less on the basepaths. When Carroll is in the starting lineup, he's a must-start in all fantasy leagues with a .258/.339/.569 slash line, .908 OPS, 19 home runs, 41 RBI, 50 runs scored and 10 stolen bases in 260 at-bats this year.

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The San Francisco Giants placed third baseman Matt Chapman (hand) on the 10-day injured list on Tuesday with right-hand inflammation and recalled infielder Christian Koss in a corresponding move, according to the San Francisco Chronicle's Shayna Rubin. X-rays came back negative on Chapman's hand after he injured it during a slide on Sunday against the Atlanta Braves, but he'll be forced to miss at least the next 10 days. Hopefully, the 32-year-old veteran will be able to return when he's eligible to come off the IL on June 19. In his second season with San Fran, Chapman has hit .243 (56-for-230) with 12 home runs, 30 RBI, 35 runs scored and seven steals in 65 games played. Casey Schmitt is likely to see most of the playing time at third in Chapman's absence, but he's merely a waiver-wire candidate in NL-only formats. San Fran's defense and offense will take a hit without one of their best players.

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Tampa Bay Rays pitching prospect Ian Seymour made his MLB Debut on Monday, coming on in the 10th inning of the team's 10-8 win over the Red Sox in extras. The lefty allowed one unearned run on an error by first baseman Jonathan Aranda, while walking two (one intentional) and striking out two in the two-inning outing. He did not allow a hit in nine batters faced, and because the Rays would take the lead in the top of the 11th and go on to be victorious with Seymour on the mound, the Rays' 19th-ranked prospect would end up as the winning pitcher in the contest. The 26-year-old could be a ratio-enhancer if he ends up sticking around, especially with his strikeout ability, but offers little more fantasy relevance without a closing role.

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The Baltimore Orioles announced on Tuesday that they optioned outfielder Heston Kjerstad to Triple-A Norfolk and reinstated outfielder Cedric Mullins (hamstring) from the 10-day injured list in a corresponding move. Kjerstad gets caught in a roster crunch with Baltimore's outfield getting healthy. The 26-year-old former second overall pick in 2020 out of Arkansas has not been able to carve out a regular role with the team since debuting in 2023. In 54 games this year, he went 30-for-156 (.192) with four home runs, five doubles, two triples, 19 RBI, 16 runs scored, a steal, six walks and 45 strikeouts in 167 plate appearances. Kjerstad has a .218/.284/.365 slash line, .649 OPS, 10 homers, 36 RBI and 88 strikeouts in 106 games played at the big-league level since 2023. He has hit the ball hard, but he's just not making enough contact.

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The Baltimore Orioles announced on Tuesday that they reinstated outfielder Cedric Mullins (hamstring) from the 10-day injured list and optioned outfielder Heston Kjerstad to Triple-A Norfolk in a corresponding move. The Orioles haven't released their lineup for Tuesday's tilt against the visiting Detroit Tigers, but Mullins may be on the bench with left-hander Brant Hurter on the mound. Mullins skipped a minor-league rehab assignment after straining his right hamstring in late May. His return will push Jorge Mateo back to a reserve infield role with Colton Cowser shifting to a corner outfield spot now against right-handed pitchers. Mullins has a .232 batting average on the year but also sports a .218 xBA, so he's not going to help fantasy managers at all in the average department. The 30-year-old does already have 10 homers and eight steals through 50 games, though.

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The Baltimore Orioles announced on Tuesday that they reinstated infielder Jordan Westburg (hamstring) from the 10-day injured list and designated infielder Emmanuel Rivera for assignment in a corresponding move. The Orioles haven't released their lineup for Tuesday's game against the visiting Detroit Tigers, but Westburg figures to be back in there against left-hander Brant Hurter. The 26-year-old has been out since late April with a strained left hamstring, but he should be the club's starting third baseman now that he's back. In his eight minor-league rehab games with Norfolk, he went 11-for-28 with two home runs. Fantasy managers will be hoping he can carry that over after a slow start with the bat before his injury. The former first-rounder went 20-for-92 (.217) with four homers and six RBI in his first 23 games. Westburg was an All-Star in 2023 and hit 18 bombs in 107 games played.

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ESPN's Jeff Passan reports that the Milwaukee Brewers are calling up right-hander Jacob Misiorowski, one of the best pitching prospects in baseball, on Tuesday, according to sources. Misiorowski is ranked as the 30th overall prospect in the game by ESPN's Kiley McDaniels and has a fastball that has reached 103 mph this year. He's expected to start on Thursday against the division-rival St. Louis Cardinals in his MLB debut. MLB Pipeline considers the 23-year-old to be Milwaukee's No. 4 prospect. Although Misioriwowski's control has been an issue in the past, it's been better this year and he's posted a 2.13 ERA and 1.09 WHIP with 80 strikeouts and 31 walks in 63 1/3 innings over his 13 outings (12 starts) for Nashville. A learning curve is expected, but Misiorowski should be an immediate waiver-wire priority, and he could stick around in Milwaukee's rotation for the rest of the year.

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Chicago Cubs outfielder Kyle Tucker went 1-for-3 with a solo home run in his team's 4-3 road loss to the Philadelphia Phillies. The 28-year-old added two walks and scored twice. Tucker got the Cubs on the board in the top of the first with a solo shot off Phillies starter Zack Wheeler, though they wouldn't score again until the eighth. It was his thirteenth long ball of the season. He notched his second run of the matchup in the eleventh when teammate Pete Crow-Armstrong doubled him home. Tucker has slowed down some in June, going just 5-for-21 (.238), but it was nice to see him go yard for the first time since jamming his finger last week. Despite the slight slump, four of his five hits in the month have gone for extra bases.

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Miami Marlins second baseman Otto Lopez went 1-for-1 with a solo home run in Monday's 10-3 loss to the Pittsburgh Pirates. He also drew two free passes. The Dominican Republic native belted his sixth long ball of the season in his first at-bat, giving the Marlins a 1-0 lead in the top of the second inning. However, it'd be the last time they sat atop the scoreboard in Monday's lopsided defeat. Lopez is riding a four-game hit streak, notching two homers and two steals in that span. Despite an unappealing .233/.311/.375 triple slash, the 26-year-old is underproducing quite a bit. In addition to an average nearly 50 points lower than his .282 xBA, Lopez's .482 xSLG is a much more palatable figure than the one he holds. His career-low .243 BABIP figures to rise in short order.

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Atlanta Braves first baseman Matt Olson went 1-for-3 with a two-run home run in his team's 7-1 win against the Milwaukee Brewers. The veteran also walked twice. Olson knocked in teammate Austin Riley to culminate a three-run fifth inning with a 417-foot blast to dead-center. It came off Brewers' reliever DL Hall's first pitch of the outing, and was dinger No. 14 on the season for him. The 31-year-old is sporting one of his lowest averages against righties in 2025 (.227). However, he's underperforming his .269 xBA by over 30 points (.238). Furthermore, Olson holds the best quality of contact metrics of his career -- boasting personal-bests in average exit velo (94.2 MPH) and hard-hit rate (56.3%).

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Atlanta Braves outfielder Ronald Acuna Jr. went 1-for-3 with a solo home run in Monday's 7-1 road win over the Milwaukee Brewers. He also scored twice and drew two walks. The 27-year-old superstar crushed an Aaron Civale offering 404 feet the opposite way to record his fifth long ball in 16 games since being reinstated from injury. Acuna Jr. has wasted no time reacclimating himself to big-league pitching, batting a strong .305 (18-for-59) with two doubles, eight RBI, and 12 runs scored (.999 OPS). While it's too small a sample to draw any definitive conclusions, the Venezuelan native's average exit velocity (97.1 MPH) and hard-hit rate (67.6%) would put him in the top 2% and 1% of batters, respectively, if they qualified.

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St. Louis Cardinals catcher Ivan Herrera went 2-for-4 with a three-run home run in his team's 5-4 loss to the Toronto Blue Jays. He added a single for his second straight two-hit outing. The 25-year-old blasted his seventh long ball of 2025 off Blue Jays pitcher Yariel Rodriguez in the bottom of the eighth inning to cap a four-run rally and take their first lead of the matchup, 4-3. However, it wasn't enough to pick up the win. Herrera tallied a lone extra-base hit over a 15-game stretch that started in mid-May, but he's picked it up since then with three over the last five days -- including two homers. The Panama City native has cooled some, but is still slashing a robust .322/.397/.568 with eight doubles, 31 RBI, and 19 runs scored (34 appearances).

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Athletics second baseman Max Muncy went 2-for-4 with a two-run home run in his team's 7-4 loss to the Los Angeles Angels. The 22-year-old added a single and notched his first steal of the season. Muncy launched his fourth homer in the top of the ninth inning, but that'd be the final hit his team could muster. He's gone yard in back-to-back games and thrice since being recalled last Wednesday. The A's No. 6 prospect wasn't so successful in the majors before being sent down to Triple-A. However, upon his demotion, he slashed an excellent .325/.397/.504 with 22 RBI, 24 runs scored, 11 doubles, a triple, and three homers (31 games). He's 6-for-21 (.286) in five June appearances.

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Los Angeles Dodgers catcher Will Smith went 1-for-4 with a two-run home run in Monday's 8-7 road win against the San Diego Padres. He also picked up an RBI on a sac fly. Smith went yard for the sixth time this season in the top of the third off Padres pitcher Nick Pivetta, scoring teammate Freddie Freeman to give LA a 5-3 lead. He's been superb this season, batting .320 (56-for-175) with the second-highest on-base percentage in the league (.423) behind only Aaron Judge. The Louisville product is chasing at his lowest rate since 2020 (18.8%), and drawing a walk at a 15.0% clip, which puts him amongst the top 5% of all hitters.

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Los Angeles Angels starting pitcher Yusei Kikuchi blanked the Athletics over 7 1/3 innings of one-hit ball in Monday's 7-4 home win. The 33-year-old struck out five and walked one in the brilliant performance. Kikuchi overwhelmed the A's early, retiring the first 13 batters he faced before yielding a single and a walk in the fifth. However, he'd quickly end the threat with a groundout and cruise through the remaining 2 1/3 innings of his outing. It's the veteran's first quality start in nearly a month (May 12), improving to 2-5 in 2025. He held a 1.89 ERA in May and has continued his success as the calendar turned with a 2.19 ERA in two June starts. His overall ERA on the year is strong (2.92), but he has an inflated 1.47 WHIP due to his issue with free passes, allowing four or more in seven of his 14 starts.

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Los Angeles Angels outfielder Jo Adell went 2-for-4 with a single, a home run, and three RBI in his team's 7-4 win on Monday night. Adell is up to 12 long balls on the season, and six of those have come in his last nine games. Over that span, he is 9-for-29 (.310) with 10 RBI, a stolen base, and a 57.1% hard-hit rate. His home run on Monday was a solo blast in the fourth inning off lefty Jeffrey Springs. He has only hit .156 against lefties in limited opportunities this season, so the home run is a great sign for him in that split going forward. The 26-year-old has plenty of prospect pedigree and has shown he can get hot for stretches, but he hasn't been able to be consistent enough to be a mixed league option in the past. For now, he is a DFS and streaming option to consider while he's hot and will be worth holding at least until he cools off.

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Arizona Diamondbacks first baseman Josh Naylor went 3-for-5 with a home run and five RBI in Monday's 8-4 win against the Seattle Mariners. He singled, doubled, scored twice, and drew a walk. The 27-year-old entered the contest in a 1-for-21 slump, but promptly broke out of it to deliver a massive performance. Naylor picked up his first RBI with a double in the seventh, but saved his best for last when he approached the dish in the bottom of the eleventh inning. With the bases jacked, he battled Mariners' reliever Carlos Vargas, fouling off three straight balls before blasting a walk-off grand slam to send everyone home. It was homer No. 8 for the former first-round pick, who's added nine steals, 44 RBI, 32 runs scored, and a solid .290/.346/.457 triple slash.

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New York Yankees designated hitter Giancarlo Stanton (elbows) will begin his rehab assignment with the Somerset Patriots on Tuesday night, when the Double-A team hosts the Portland Sea Dogs at TD Bank Ballpark. Stanton has been out all season with tennis elbow in both his elbows. Since he has been sidelined for so long, he will likely need an extended rehab stint in the minors before he gets his rhythm and timing back. The Yankees don't have a clear full-time spot for Stanton in the major-league lineup right now, with Cody Bellinger, Trent Grisham, and Ben Rice in the mix. He could definitely provide platoon help for Rice and Grisham against lefties, though, when he does get back to full strength. In his 114 games last season, Stanton hit .233 with 27 homers and a .330 wOBA, and the Yankees and fantasy managers will hope he can return to a productive role later this season, likely after the All-Star break.

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Arizona Diamondbacks relief pitcher A.J. Puk (elbow) continues to work his way back from elbow issues and has stretched out to 120 feet, per manager Torey Lovullo. Puk was able to avoid surgery after landing on the 15-day injured list in mid-April after appearing in eight games. He had 12 strikeouts and gave up three runs while converting all four save chances and picking up two holds as well. The lefty will look to continue to ramp up and return to the Diamondbacks bullpen in the near future. He will likely need a rehab stint after so long on the sidelines, so he is still a few steps away from returning to the bullpen mix for Arizona. The fact that there has been progress without setbacks, though, is a good sign for the 30-year-old southpaw.

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Los Angeles Dodgers starting pitcher Emmet Sheehan (elbow) is looking to stretch out to four innings in his next rehab start, and after that Dodgers' manager Dave Roberts said there could be a conversation about Sheehan being a rotation option in the majors. The 25-year-old righty went 4-1 in 13 games (11 starts) in 2023 with a 4.92 ERA, 4.85 FIP, and 9.55 K/9. He underwent Tommy John surgery in May of 2024 and has looked sharp in his three rehab starts, giving up four hits and one run with 14 strikeouts in just eight innings. He is still just stretching out and will likely be limited when he returns, but he brings a very high ceiling if he can lock down a rotation spot for the Dodgers and return to his pre-injury form. His strikeout ceiling and potential spot in the Dodgers' rotation make him worth watching closely for all formats.

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