Mariners' Bryan Woo: Seven innings of one-hit ball
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Woo (6-4) recorded the win Tuesday against the Red Sox, giving up one hit and two walks in seven scoreless innings. He struck out six.
Woo produced 16 whiffs during a masterful performance, bouncing back in a big way after he yielded a season-high five runs in his previous start. Tuesday marked the second time this year that the right-hander worked at least six innings while allowing just one hit, and it was also his second scoreless appearance of the campaign. On tap for Woo is a scheduled matchup on the road against the Twins next week. He sports a 3.12 ERA, 0.94 WHIP and 78:14 K:BB across 89.1 frames in 2025.
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Mariners' Bryan Woo: Falls to Baltimore
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Woo (5-3) took the loss Thursday against the Orioles, allowing four runs on four hits and two walks over six innings. He struck out six.
Woo got off to a nice start Thursday, holding Baltimore to one run on just two hits through his first five innings. However, things would unravel in the sixth when Woo gave up three runs on back-to-back homers by Adley Rutschman and Gunnar Henderson. Woo's been hurt by the long ball recently -- he's given up four homers over 12.2 innings in his last two outings. Overall, the 25-year-old right-hander's ERA sits at 3.07 with a 0.96 WHIP and 69:11 K:BB across 12 starts (76.1 innings) this season.
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Mariners' Bryan Woo: Gives up two homers Friday
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Woo allowed three runs on six hits and a walk while striking out three over 6.2 innings in a no-decision versus the Twins on Friday.
The 12-6 extra-inning loss was a product of a bullpen meltdown. Woo wasn't at his best Friday, allowing multiple home runs for the first time in his 11 starts this season, but he left with a lead in the seventh inning. The 25-year-old right-hander is now at a 2.82 ERA, 0.95 WHIP and 63:9 K:BB across 70.1 innings. Woo's spot in the rotation is secure, so he won't be threatened by the return of Bryce Miller (elbow), who will start Saturday. Woo's next start is projected to be at home versus the Orioles.
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Mariners' Bryan Woo: Suffers tough-luck loss
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Woo (5-2) took the loss against the Astros on Saturday, allowing two unearned runs on nine hits and no walks while striking out five over six innings.
Woo allowed two unearned runs in the first inning, one stemming from his own error, but bounced back with five scoreless frames. The 25-year-old has now gone three straight starts without issuing a walk and has delivered quality starts in eight of 10 outings this season. He'll take a 2.40 ERA, 0.93 WHIP and 60:8 K:BB across 63.2 innings into a home matchup with the Twins next weekend.
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Mariners' Bryan Woo: Hit by foul ball, should start Saturday
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Mariners manager Dan Wilson said that Woo remains on track to make his next scheduled start Saturday against the Astros after being struck in the lower leg by a foul ball Thursday, Shannon Drayer of SeattleSports.com reports.
A hard-hit foul ball in the eighth inning of Thursday's game in Houston traveled into the Seattle dugout and struck Woo, who headed back to the clubhouse for further evaluation. According to Wilson, Woo sustained some bruising to his leg, but the Mariners don't believe the issue will put the right-hander's next turn through the rotation in jeopardy. Through nine starts this season, Woo has gone 5-1 with a 2.65 ERA, 0.87 WHIP and 55:8 K:BB across 57.2 innings.
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Mariners' Bryan Woo: Gets back in win column
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Woo (5-1) allowed a run on five hits and struck out five without walking a batter over seven innings to earn the win Sunday over the Padres.
Woo turned in another fantastic outing, with the lone run coming early on a Fernando Tatis solo shot to lead off the bottom of the first inning. Woo has allowed one run or fewer in five of his nine outings this season, and this was his seventh quality start. It was also the third time in four starts in May he hasn't issued a walk, as he continues to dominate with control. Woo is at a 2.65 ERA, 0.87 WHIP and 55:8 K:BB through 57.2 innings this season. His next start is projected to be on the road versus the Astros.
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Mariners' Bryan Woo: Rebounds after rough first
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Woo did not factor into the decision in Wednesday's 6-5 win over the A's. He allowed five runs on eight hits and a walk while striking out six over six innings.
The A's got to Woo early Wednesday, scoring three runs on four hits in the first inning. However, the right-hander would settle in and allow just two runs over his final five frames. While the eight hits and five runs allowed are both season worsts, Woo has managed to deliver six or more innings in each of his first seven starts this year. His ERA now sits at 3.25 with a 0.92 WHIP and 44:8 K:BB across 44.1 innings. Woo is currently slated to face the Yankees at home in his next outing.
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Mariners' Bryan Woo: Stellar in win over Rangers
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Woo (4-1) allowed one hit and struck out eight without walking a batter over 6.1 scoreless innings to earn the win Friday over the Rangers.
Woo retired the first 14 batters he faced and ended with 64 of 87 pitches landing for strikes in the dominant outing. This was his fourth straight quality start and his fifth such performance in six starts overall. Woo has a 2.58 ERA, 0.83 WHIP and 38:7 K:BB over 38.1 innings. He showed plenty of potential over 121.1 innings in 2024, and he's arguably been even more reliable in 2025, which is especially valuable for a rotation missing George Kirby (shoulder) and Logan Gilbert (elbow). Woo's next start is projected to be a road outing versus the Athletics next week.
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Mariners' Bryan Woo: Earns third win
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Woo (3-1) earned the win Thursday over the Red Sox, allowing two runs on three hits and a walk over six innings. He struck out eight.
It was another strong effort from Woo, who set a season-high with eight strikeouts while recording his fourth quality start in five outings. The right-hander's ERA is down to 3.09 with a 0.97 WHIP and 30:7 K:BB through 32 innings this season. Woo will look to keep rolling in his next start, currently slated for next week against the Angels.
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Mariners' Bryan Woo: Finishes season on high note
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Woo (9-3) allowed three hits and a walk while striking out eight over five shutout innings to earn the win over the Athletics on Friday.
Woo kept a scoreless line for the first time since Aug. 14 in his final start of the season. The 24-year-old had seven scoreless starts in 22 outings this season, establishing himself as a high-end starter with an emphasis on elite control in his second major-league campaign. He ends the year with a 2.89 ERA, 0.90 WHIP and 101:13 K:BB over 121.1 innings.
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Mariners' Bryan Woo: Fades in sixth inning
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Woo allowed four runs on seven hits and a walk while striking out four over six innings in a no-decision versus the Rangers on Sunday.
Woo was cruising until the sixth inning. He then gave up four runs, including a three-run home run by Wyatt Langford, on five hits and a walk in that frame, and the Mariners' bullpen couldn't maintain the lead over the late innings. There's some signs of fatigue for Woo -- he's allowed four or more runs in three of his last five starts after doing that just once in his first 16 games this year. He's still at a 3.02 ERA, 0.90 WHIP and 93:12 K:BB over 116.1 innings across 21 starts. His final start of the regular season is projected to be at home versus the Athletics.
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Mariners' Bryan Woo: Pummeled for seven runs
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Woo (8-3) took the loss Tuesday against the Yankees, allowing seven runs on nine hits and a walk while striking out seven over 4.2 innings.
Woo had his worst outing of the season, tying his season-high in hits allowed and setting a new high for runs allowed while failing to reach five innings for the first time since July 27. The Yankees got to him for a pair of runs in the first and second innings before Juan Soto and Jasson Dominguez went deep in the fourth and fifth, respectively, to add on another three runs. Woo still struck out seven, tying his season high, and he had 20 whiffs on the evening. He'll carry a 2.85 ERA, 0.88 WHIP and 89:11 K:BB in 110.1 innings into a meeting with the Rangers over the weekend.
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Mariners' Bryan Woo: Has no-hitter broken up in seventh
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Woo (8-2) picked up the win over the Padres on Wednesday, allowing two runs on two hits and one walk over 6.2 innings while striking out five.
Woo had a no-hitter going through the first six frames before giving up a solo homer to Fernando Tatis with one out in the seventh. The right-hander would then be relieved by Troy Taylor with two outs in the inning, though the former would still come away with his third win in his last four decisions. Woo has also produced quality starts in six of his last eight outings while posting a robust 45:4 K:BB over that stretch. On the downside, he's now surrendered at least one long ball in five consecutive starts.
Woo (6-2) picked up the win Sunday, allowing two runs (one earned) on four hits over seven innings against the Giants. He struck out seven.
A throwing error and a home run put Woo into a hole in the first, but he rebounded to allow just three singles over the final six scoreless innings of his outing to pick up the win. It was the fifth straight quality start for Woo, who has pitched into the seventh during each of those appearances, compiling a 1.59 ERA, 0.68 WHIP and 31 strikeouts over 34 innings. He'll look for a sixth straight quality start in his next matchup, scheduled to take place in Anaheim against the hapless Angels.
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Mariners' Bryan Woo: No help in loss
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Woo (5-2) allowed two runs on two hits, two walks and a hit batsman while striking out five over 6.1 innings to take the loss versus the Dodgers on Monday.
Woo didn't allow a run to advance past first base over his first six innings, but Gavin Lux tagged him for a solo home run in the seventh. It was still a fourth straight quality start for Woo, who has allowed a total of five runs over 27 innings through four starts in August. He's now at a 2.12 ERA, 0.83 WHIP and 61:9 K:BB through 80.2 innings over 15 starts this season. He's projected for a home start versus the Giants this weekend.
Woo came away with a no-decision in Wednesday's 3-2 extra-inning loss to the Tigers, scattering four hits over seven scoreless innings. He struck out six without walking a batter.
The right-hander put together another brilliant performance, generating 29 called or swinging strikes among his 85 pitches, but Woo wound up settling for his third straight quality start and seventh of the season when his bullpen couldn't get the job done. Through three outings in August, he's delivered a 1.31 ERA, 0.73 WHIP and 19:1 K:BB through 20.2 innings, and he seems fully recovered from the hamstring issues that began bothering him in late June. Woo will face a tough test in his next start, which is scheduled to come on the road early next week against the Dodgers.
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Mariners' Bryan Woo: May need another rehab start
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Woo (hamstring) threw 45 pitches and allowed two runs on a hit with two walks and two strikeouts over 2.2 innings during his rehab start with High-A Everett on Saturday, Daniel Kramer of MLB.com reports.
The 24-year-old rejoined the Mariners on Sunday, but manager Scott Servais was non-committal on whether the right-hander will require an additional rehab outing. The club wants Woo to be able to cover at least four or five innings before being reinserted into the big-league rotation, so it wouldn't be surprising if he's sent on another rehab outing to further build up his workload before being activated.
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Mariners' Bryan Woo: Nursing hamstring injury
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Woo was removed from Monday's game against the Rays due to right hamstring tightness.
Woo left his start with the team trainer after suffering what looked to be a right leg injury, and he's since been diagnosed with a hamstring issue. The team should have a better idea of whether he'll require a trip to the injured list after further evaluation, and he's set to undergo an MRI on Tuesday, per Daniel Kramer of MLB.com.
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Mariners' Bryan Woo: Exits early versus Rays
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Woo left Monday's contest in the fourth inning due to an apparent right leg injury, Shannon Drayer of SeattleSports.com reports.
Woo pitched three scoreless innings, allowing four hits while striking out three batters to open his outing Monday. He then surrendered a leadoff single to Richie Palacios in the bottom of the fourth inning and was removed thereafter with a right leg injury. Woo was visibly upset after tweaking something in his leg and a more exact diagnosis will likely come in the near future.
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Mariners' Bryan Woo: MRI comes back clean
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Mariners general manager Justin Hollander said Wednesday that the MRI on Woo's arm "was perfectly clean," and the right-hander could be reinserted into the rotation as early as next week, Daniel Kramer of MLB.com reports.
The 24-year-old was scratched ahead of his scheduled start Tuesday against the White Sox due to what the team labeled as a "right forearm issue," but he doesn't appear to be dealing with anything too serious. It's unclear when exactly Woo will make his next start, though it seems the Mariners will attempt to avoid putting him on the injured list.
