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Ranger Suarez SP | BOS
Red Sox's Ranger Suarez: Sharp in return
Suarez did not factor into the decision Thursday against the Phillies, allowing four hits and one walk while striking out eight over 5.1 scoreless innings.
Making his first start since exiting his May 3 outing with hamstring tightness, Suarez looked strong in his return to the mound, generating eight strikeouts while limiting hard contact throughout. The left-hander was pulled after allowing a Bryce Harper single in the sixth inning despite sitting at just 76 pitches, likely with caution still in mind following the injury. Before the hamstring issue, Suarez had already been on a hot stretch, tossing six or more scoreless frames in three of his previous four starts. He now owns a 2.44 ERA, 0.95 WHIP and 40:11 K:BB across 44.1 innings.
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Kris Bubic SP | LAD
Royals' Kris Bubic: Struggles in loss Thursday
Bubic (3-2) took the loss against the White Sox on Thursday, pitching four innings and allowing five runs on five hits and three walks while striking out one batter.
Bubic has handed a 1-0 lead before he took the mound but gave that up quickly when he surrendered a two-run homer in the bottom of the first inning. The left-hander pitched a clean second but then gave up three runs across the following two frames before being lifted. The five runs he allowed tied a season-worst mark in what turned out to be his shortest outing of the year. Bubic has given up one or no runs in four of his nine starts, but he's also yielded four or more runs three times. Altogether, he's posted a mediocre 4.11 ERA and 1.23 WHIP along with a 51:26 K:BB over 50.1 innings on the season.
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Ben Hess SP | NYY
Yankees' Ben Hess: Back in action
Hess (undisclosed) was reinstated from the 7-day injured list and pitched 1.1 innings, allowing one run on three hits while striking out one batter with Double-A Somerset on Thursday, Matt Kardos of Double-A Somerset's official site reports.
Hess made his return to action after missing nearly a month with an unspecified injury. The right-hander is considered to be one of the Yankees' top overall prospects, and he'll look to get on a roll with Somerset moving forward.
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Keider Montero SP | DET
Tigers' Keider Montero: Takes third loss
Montero (2-3) took the loss Thursday against the Mets, allowing four runs on four hits and two walks over 4.2 innings. He struck out two.
Montero got off to a strong start Thursday, holding the Mets off the board through his first two innings, though he gave up a solo homer to A.J. Ewing to lead off the third before Brett Baty added a two-run shot that tied the game in the fourth. Montero delivered back-to-back quality starts prior to Thursday, allowing just two runs over 12.2 frames in that span. His ERA now sits at 3.65 with a 0.99 WHIP and 31:10 K:BB across eight starts (44.1 innings) this year. Montero's currently in line to face the Guardians at home in his next outing.
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Michael Burrows SP | HOU
Astros' Mike Burrows: Can't find groove in fifth loss
Burrows (2-5) took the loss Thursday against the Mariners, allowing seven runs on eight hits and three walks in 5.2 innings. He struck out four.
Burrows was never quite able to settle in Thursday, getting ambushed for three runs in the opening frame before giving up two more in both the fourth and sixth innings. The 26-year-old right-hander served up a pair of home runs for the fourth time already this year, taking a big step back after yielding just five runs in his prior three starts (18 innings) to Thursday. Burrows will bring an underwhelming 5.72 ERA, 1.53 WHIP and 46:17 K:BB over 50.1 frames into his next scheduled outing versus Minnesota.
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Luis Castillo SP | CHW
Mariners' Luis Castillo: Finally gets into win column
Castillo (1-4) earned the win Thursday against the Astros, allowing three runs on four hits and three walks in 5.2 innings. He struck out six.
Castillo was working on a bounce-back start Thursday, giving up a lone run over his first five frames, but the Astros got to him for two more runs in the sixth inning to make his line more middling. The Mariners might have left the 33-year-old right-hander in the game for a bit too long considering that the hurler tossed a season-high 108 pitches. Castillo has now yielded at least three runs in three straight outings and six of his last eight, posting a disappointing 6.34 ERA, 1.57 WHIP and 43:16 K:BB over 44 innings in 2026. He's tentatively lined up to piggyback with Bryce Miller early next week versus the White Sox, which would mark Castillo's first career relief appearance if he works as the secondary pitcher.
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Kai-Wei Teng RP | HOU
Astros' Kai-Wei Teng: Part of six-man rotation
Astros manager Joe Espada said Thursday that Teng will be part of a six-man rotation moving forward, Chandler Rome of The Athletic reports.
Circumstances could alter the Astros' plans down the line, but Houston is planning to go with a six-man setup indefinitely. Espada said that he expects Teng -- who threw 63 pitches over three innings in a start Sunday in Cincinnati -- to be able to handle 80-to-85 pitches during his next start Saturday versus the Rangers. Teng holds a 3.12 ERA, 1.08 WHIP and 23:8 K:BB over 26 innings covering two starts and 13 relief outings this season.
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Jose Suarez RP | ATH
Athletics' Jose Suarez: Shipped to Athletics
The Athletics acquired Suarez from the Mariners on Thursday in exchange for cash considerations.
Suarez had been designated for assignment by Seattle and will remain in the division after being shipped to the A's. The left-hander does not have minor-league options remaining, so he will join the bullpen as a long reliever.
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Casey Mize SP | SD
Tigers' Casey Mize: Could return to start Saturday
Mize (thigh) could return from the 15-day injured list to start Saturday's game against the Blue Jays, Chris McCosky of The Detroit News reports.
Mize has been sidelined since late April with a right adductor strain. He has not made a rehab start, but the right-hander threw a live batting practice session earlier this week and it appears he could skip a rehab assignment. Mize was excellent in his first six outings this season before getting hurt, posting a 2.90 ERA and 35:11 K:BB over 31 innings. If Mize is able to start Saturday, he figures to be somewhat limited from a pitch-count perspective.
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Bryce Miller SP | SEA
Mariners' Bryce Miller: No-decision in season debut
Miller (oblique) allowed two runs on eight hits and a walk while striking out three over 5.1 innings in a no-decision versus the Astros on Wednesday.
Miller missed over a quarter of the season while recovering from a left oblique strain. He threw 58 of 81 pitches for strikes in his season debut, so he may have had a slight workload limitation in place. That will likely continue in his next start, tentatively expected to be against the White Sox, as Miller and Luis Castillo are expected to work as a tandem in that game to buy the Mariners some time to sort out what to do with their rotation, which has six healthy starters. As long as Miller pitches well, he's likely to be a starter moving forward, though he'll also need to stay healthy as he tries to bounce back from an ugly 5.68 ERA and 1.41 WHIP across 90.1 innings in the 2025 regular season, which was disrupted by elbow troubles.