Seymour allowed four runs (three earned) on five hits and a walk while striking out two over three-plus innings in a no-decision versus the Rangers on Sunday.
Seymour has now given up at least three runs in each of his last five games, though he had covered at least five frames in each of those outings prior to Sunday. The southpaw had particular trouble with Jake Burger, who tagged him for a pair of home runs, accounting for three of the runs he surrendered. Seymour is at a 4.33 ERA, 1.16 WHIP and 140:33 K:BB through 116.1 innings over 43 games (13 starts) this year. He is tentatively projected to make his next start at home versus the Astros.
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Rays' Ian Seymour: Fans 10 in loss
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Seymour (9-6) took the loss Monday against the Mets, allowing three runs on six hits while striking out 10 without issuing a walk over 6.1 innings.
Seymour generated 19 whiffs on 52 swings while recording his second double-digit strikeout performance of the season. He notched seven of his 10 strikeouts over the first three innings, including coming one pitch away from an immaculate inning in the first. Seymour surrendered a solo homer to Mark Vientos in the seventh before exiting and watching another score from the dugout. He has now delivered a quality start in five of his last eight outings. Despite losing three straight starts, allowing 10 runs (nine earned) across 17 innings, he's racked up 23 strikeouts during that span. Seymour owns a 4.21 ERA, 1.14 WHIP and 138:32 K:BB across 113.1 innings heading into his next scheduled start against the Rangers.
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Rays' Ian Seymour: Pitching in bulk relief Tuesday
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Seymour will work in bulk relief behind opener Casey Legumina in Tuesday's game against the Tigers, Ryan Bass of Rays.tv reports.
Legumina will likely work the first inning or two before giving way to Seymour. The left-hander had been deployed as a traditional starter in his last four appearances, going 2-1 with a 3.52 ERA, 1.22 WHIP and 33:4 K:BB in 23 innings during that span.
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Rays' Ian Seymour: Plagued by long ball in fourth loss
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Seymour (9-4) took the loss against the Blue Jays on Thursday, allowing three runs on six hits and one walk in five innings. He struck out eight.
Seymour had trouble keeping the ball in the park Thursday, serving up a season-high three home runs. The left-hander didn't quite last long enough to push for what would have been his fourth straight quality start, but on a positive note he's now recorded at least seven punchouts in four straight outings. Seymour will try to reduce the hard contact in Detroit his next time out, carrying a 4.17 ERA, 1.14 WHIP and an especially strong 123:32 K:BB over 101.1 innings.
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Rays' Ian Seymour: Strikes out nine in no-decision
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Seymour did not factor into the decision in Saturday's 4-3 extra-inning loss to the Orioles, allowing three runs on six hits and one walk with nine strikeouts over six innings.
Seymour yielded two homers but was otherwise impressive, throwing 69 of 93 pitches for strikes with 16 whiffs. The 27-year-old has now logged three straight quality starts to open August, tallying 25 punchouts during that stretch. He'll take a 4.11 ERA, 1.13 WHIP and 115:31 K:BB across 96.1 innings this season into a home matchup with Toronto next week.
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Rays' Ian Seymour: Secures win in bulk role
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Seymour (7-3) earned the win Wednesday against the Rangers. He allowed two hits and one walk while striking out four over 4.2 scoreless innings.
The left-hander followed opener Casey Legumina and delivered his first scoreless appearance since June 25. Seymour has a 4-2 record over his past seven outings and has a 3.60 ERA, 0.91 WHIP and 45:9 K:BB across 35 innings during that span. It remains to be seen if Seymour will continue to pitch behind an opener for his next turn through the rotation or if he'll work as a traditional starter. Regardless, he lines up to face the Rockies on the road early next week.
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Rays' Ian Seymour: Takes third loss Thursday
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Seymour (6-3) took the loss Thursday against the Blue Jays, allowing two runs on five hits and one walk while striking out seven over six innings.
Seymour entered after opener Casey Legumina tossed two innings of one-run ball and went on to complete the remainder of the game. While throwing 59 of 87 pitches for strikes, Seymour allowed a run in the third inning before retiring 11 of the next 13 batters, though he surrendered another run in the seventh that saddled him with the loss. It was a strong bounce-back performance after he had been tagged for 12 runs (11 earned) across 11.2 frames in his previous three outings. Seymour owns a 4.64 ERA, 1.15 WHIP and 86:27 K:BB over 73.2 innings while making seven starts and 28 relief appearances this season. He's scheduled to make his next trip to the mound at home against the Rangers next week.
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Rays' Ian Seymour: Pitching in bulk relief Thursday
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Seymour will be deployed as a bulk reliever in Thursday's game against the Blue Jays, Ryan Bass of Rays.tv reports.
Seymour has been tagged for nine runs (eight earned) over 6.1 innings in his last two traditional starts, so the Rays are switching things up. Casey Legumina will take the ball first Thursday as an opener.
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Rays' Ian Seymour: Career-high 12 strikeouts in win
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Seymour (6-1) earned the win against the Yankees on Tuesday, allowing three runs on five hits and no walks with 12 strikeouts over 5.1 innings.
Seymour allowed a three-run homer to Ben Rice in the third inning but was otherwise dominant, generating 17 whiffs on 94 pitches en route to a career-high 12 strikeouts. Since transitioning into the rotation, the southpaw owns a 2.97 ERA over six games (four starts and two bulk relief appearances) while logging at least five innings in four straight outings. He'll carry a 4.11 ERA, 1.08 WHIP and 72:21 K:BB across 61.1 innings this season into a home matchup with the Mariners this weekend.
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Rays' Ian Seymour: Dominates in fifth win
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Seymour (5-1) earned the win Thursday against the Royals, allowing one run on three hits and one walk in six innings. He struck out eight.
That's now back-to-back quality starts for Seymour, who has excelled over his past five outings (three starts) while getting stretched out. During that span, the 27-year-old southpaw has a 2.52 ERA, 0.76 WHIP and 27:6 K:BB covering 25 innings. Seymour, who holds a 4.02 ERA, 1.09 WHIP and 60:21 K:BB over 56 innings on the year, is pushing for a permanent stay in the Rays' rotation, but a tough assignment against the Yankees awaits him for his next start.
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Rays' Ian Seymour: Dominant in bulk role
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Seymour (4-1) earned the win Thursday over the Royals, allowing just one walk and no hits over 6.2 scoreless innings. He struck out seven.
Working as the Rays' bulk reliever, Seymour was nearly perfect Thursday, allowing just one baserunner while setting a season high with seven strikeouts. Since moving into a starting/bulk-relief role, Seymour's posted a 2.84 ERA with a 0.84 WHIP and 19 strikeouts across four outings (19 innings). Overall, his ERA sits at 4.32 with a 1.14 WHIP and 52:20 K:BB through 50 innings this season.
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Rays' Ian Seymour: Logs 3.1 innings as bulk reliever
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Seymour allowed two runs on two hits and three walks while striking out three over 3.1 innings of bulk relief in Sunday's 8-3 win over the Angels.
Entering after 1.2 innings from Casey Legumina, Seymour totaled 72 pitches (41 strikes) and allowed both of his runs in the fifth inning, his final frame, including a solo homer by Donovan Walton. Sunday marked Seymour's second extended outing after he started and covered four innings Monday, having previously logged no more than two innings in any appearance this season. Overall, the southpaw owns a 4.93 ERA, 1.28 WHIP and 41:19 K:BB across 38.1 innings (28 appearances), and if he remains in the rotation, his next outing is lined up for Saturday against the Nationals.
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Rays' Ian Seymour: Likely to follow opener
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Seymour won't start Sunday's game against the Angels but is expected to work behind opener Casey Legumina, Marc Topkin of the Tampa Bay Times reports.
Seymour made his second start of the season in his previous appearance Monday versus Boston, where he allowed just one run while setting season highs in pitches (55) and innings (four). The left-hander is expected to fill the bulk role Sunday, though the Rays haven't officially confirmed those plans and could go in a different direction. It's been an up-and-down campaign for Seymour, who has a 4.89 ERA, 1.26 WHIP and 38:16 K:BB over 35 innings.
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Rays' Ian Seymour: Working as opener Monday
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Seymour will serve as the Rays' opening pitcher for Monday's game against the Red Sox, Marc Topkin of the Tampa Bay Times reports.
Seymour will likely pitch one or two innings before turning the ball over to right-hander Mason Englert, the latter of whom was recalled from Triple-A Durham on Wednesday. The left-handed Seymour has struggled as of late, allowing seven runs (five earned) on six hits and seven walks while striking out six in 6.2 innings spanning his last four appearances.
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Rays' Ian Seymour: Yields homer as opener
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Seymour allowed one run on two hits while striking out two across two innings while serving as the opener in the Rays' 7-2 win over the Marlins on Friday.
Seymour made his first start of the season Friday against Miami and went two innings as the opener, giving up a solo home run to Connor Norby in the second before handing the keys to Jesse Scholtens. Seymour has yielded a home run in two of his last three outings and has a 5.48 ERA and 1.36 WHIP over 21.1 innings this season. It's possible that Seymour operates as the Rays' opener when Scholtens makes his next appearance, which is tentatively slated for next week at home against the Orioles.
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Rays' Ian Seymour: Serving as opener Friday
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Seymour will start as the opener Friday against the Marlins, Marc Topkin of the Tampa Bay Times reports.
It will be Seymour's first official start of the season, but Jesse Scholtens is still expected to serve as the bulk reliever behind Seymour, according to Topkin. Seymour came up as a starting pitcher but has topped out at just 32 pitches in a single game as a full-time reliever through the first month and a half of the 2026 season.
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Rays' Ian Seymour: Making strong case for roster spot
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Seymour allowed one hit and no walks in 2.1 scoreless innings during Wednesday's Grapefruit League game against the Yankees. He struck out four.
The 27-year-old left-hander is off to an encouraging start this spring, posting a 2.70 ERA, 1.00 WHIP and 12:3 K:BB over 10 frames (four appearances). With Shane McClanahan and Steven Matz expected to have workload limitations to start the year, the Rays are likely to need a couple of long relievers on their Opening Day roster, per Marc Topkin of The Tampa Bay Times. That bodes well for the roster chances of Seymour, who recorded a 3.63 ERA, 1.18 WHIP and 64:19 K:BB across 57 innings for Tampa Bay in 2025.
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Rays' Ian Seymour: Bulk appearance ends in loss
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Seymour (3-1) took the loss against the Guardians on Friday, giving up five runs (one earned) on five hits and two walks while striking out five over four innings of relief.
Seymour entered in the second inning behind opener Griffin Jax and was immediately hurt by a defensive miscue that extended the frame. The error put the leadoff man aboard, allowing the Guardians to capitalize with three two-out runs during a five-run frame that gave them a lead they never relinquished. The left-hander bounced back with three clean innings to finish his outing on a stronger note, but the damage had already been done to stick him with the loss. Though Seymour has been utilized primarily as a reliever, both Friday and at the start of his MLB career, the Rays may opt to transition him back into the rotation, where he's surrendered just one earned run in 10 innings across two starts.
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Rays' Ian Seymour: Fans eight in win
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Seymour (3-0) allowed four runs (one earned) on four hits and a walk over five innings Sunday, striking out eight and earning a win over Washington.
Seymour gave up one run through three innings before two fourth-inning errors put three unearned runs on his line. The Rays scored three runs in the first three frames to lead Seymour to his second straight win. The rookie southpaw threw 57 of 82 pitches for strikes, and he generated 16 whiffs, including eight with his changeup. Seymour has looked impressive since joining the rotation, going 2-0 with a 16:2 K:BB over 10 innings. He owns a 2.97 ERA with a 42:10 K:BB at the MLB level this year. Seymour is projected to face the Guardians at home next weekend.
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Rays' Ian Seymour: Carves up Guardians in first start
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Seymour (2-0) earned the win Monday against the Guardians, allowing one hit and one walk in five shutout innings. He struck out eight.
It was a standout performance from the rookie southpaw, who fanned a season-high eight and poured in 49 of his season-high 67 pitches for strikes in his first career major-league start. It's unclear if Seymour will remain in the rotation, but this showing certainly bodes well for his chances of doing so. Seymour may not be quite ready to handle a typical starter's workload if he takes his next scheduled turn this weekend against the Nationals, though he now owns a strong 3.18 ERA, 1.02 WHIP and 34:9 K:BB over 28.1 big-league frames.