2025 Stats
W-L
5-2
ERA
2.40
WHIP
0.93
K
60
SV
0
Rest-of-Season Projections
2025 Fantasy Outlook
Woo's 2024 season was an extension of his professional resume: impressive stints disrupted by injury. Woo required an internal brace procedure after his collegiate career in 2021, but reached the majors in 2023 and worked 131.2 innings while skipping over Triple-A in the process. The 2024 season saw him pitch nearly the same amount of innings between the majors and a minor league rehab assignment due to a mid-summer hamstring injury that preceded a forearm discomfort scare in mid-June. Woo throws five different pitches to both lefties and righties, with his sweeper being the deadliest of them all. Woo mainly used the sweeper to neutralize righties (.100 avg, 42 percent whiff rate) while using his changeup to lefties (.186 avg, 21 percent whiff rate), which helped his four-seam fastball (.218 avg, 27 percent whiff rate) play up extremely well. The pieces are here for Woo to take a step forward in 2025 like the other starters around him have recently done, but his health troubles need to get out of the way for him to fully realize his potential. Read Past Outlooks
Suffers tough-luck loss
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.
ANALYSIS
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.
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.
Pitching Stats
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2025
2024
2023
Minor League Game Log
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Pitching Appearances Breakdown
Average Pitch Count
90
Last 10 Games
90
Last 5 Games
91
How many pitches does Bryan Woo generally throw?
1-10
11-20
21-30
31-40
41-50
51-60
61-70
71-80
81-90
91-100
101-110
111-120
121+
What part of the game does Bryan Woo generally pitch?
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2023
-16%
BAA vs RHP
2025
-7%
BAA vs LHP
| BAA | K | BB | H | HR | ||||
|---|---|---|---|---|---|---|---|---|
| Since 2023vs Left | .237 | 113 | 34 | 118 | 20 | |||
| Since 2023vs Right | .198 | 141 | 18 | 104 | 12 | |||
| 2025vs Left | .208 | 26 | 3 | 22 | 3 | |||
| 2025vs Right | .223 | 34 | 5 | 29 | 2 | |||
| 2024vs Left | .222 | 52 | 8 | 53 | 8 | |||
| 2024vs Right | .200 | 49 | 5 | 43 | 6 | |||
| 2023vs Left | .283 | 35 | 23 | 43 | 9 | |||
| 2023vs Right | .179 | 58 | 8 | 32 | 4 | |||
| More Splits→ | View More Split Stats | |||||||
Home/Away Pitching Splits
Since 2023
-34%
ERA at Home
2025
-70%
ERA at Home
| ERA | WHIP | IP | K/9 | BB/9 | |||||
|---|---|---|---|---|---|---|---|---|---|
| Since 2023Home | 2.47 | 0.88 | 113.0 | 9.4 | 1.4 | ||||
| Since 2023Away | 3.72 | 1.09 | 159.2 | 7.7 | 1.9 | ||||
| 2025Home | 0.93 | 0.83 | 19.1 | 8.4 | 1.4 | ||||
| 2025Away | 3.05 | 0.97 | 44.1 | 8.5 | 1.0 | ||||
| 2024Home | 2.47 | 0.77 | 58.1 | 8.5 | 0.9 | ||||
| 2024Away | 3.29 | 1.02 | 63.0 | 6.6 | 1.0 | ||||
| 2023Home | 3.31 | 1.10 | 35.1 | 11.5 | 2.3 | ||||
| 2023Away | 4.82 | 1.28 | 52.1 | 8.3 | 3.8 | ||||
| More Splits→ | View More Split Stats | ||||||||
Stat Review
How does Bryan Woo compare to other starting pitchers?
This section compares his stats with all starting pitcher seasons from the previous three seasons (minimum 120 innings)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
K/BB
7.50K/9
8.5BB/9
1.1HR/9
0.7Fastball
95.3 mphERA
2.40WHIP
0.93BABIP
.278GB/FB
1.01Left On Base
76.9%Exit Velocity
83.1 mphBarrels/BBE
5.5%Spin Rate
2210 rpmBalls Hit 95+ MPH
23.1%Swinging Strike
11.9%Prospect Rankings History
Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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2024 Fantasy Outlook
A sixth-round pick in 2021, Woo debuted in June to little fanfare. He ended up taking the ball 18 times for the Mariners around a stint on the injured list with right forearm inflammation, and Woo pitched well enough to position himself as the club's fifth starter -- at least tentatively. Woo throws the kitchen sink at opposing hitters (four-seamer, sinker, cutter, slider, changeup) and it's all helped by the extension he gets on his throws. His strikeout rate was relatively modest at 25.1%, but his minor-league K rates suggest there is room for growth in that department. He was bit by the long ball occasionally, and it's possible Seattle brings in another starter to two this winter to bump Woo down the depth chart. He's not assured of a starting role to begin 2024, but Woo will likely be needed for a good number of starts either way.
More Fantasy News
Hit by foul ball, should start Saturday
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.
ANALYSIS
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Gets back in win column
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.
ANALYSIS
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Fires 6.1 shutout innings Tuesday
Woo didn't factor into the decision Tuesday against the Yankees after allowing four hits and no walks in 6.1 shutout innings. He struck out six.
ANALYSIS
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Rebounds after rough first
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.
ANALYSIS
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Stellar in win over Rangers
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.
ANALYSIS
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Latest Fantasy Rumors
Potential trade piece?
Woo has been mentioned in trade talks with the White Sox as the Mariners are attempting to acquire Dylan Cease, per Bob Nightengale of USA Today.
ANALYSIS
The right-hander would be the centerpiece of a potential trade, with Bryce Miller also being mentioned as a possible centerpiece. Woo delivered a solid rookie campaign last season with a 4.21 ERA, 1.21 WHIP and 93:31 K:BB over 87.2 innings.
The right-hander would be the centerpiece of a potential trade, with Bryce Miller also being mentioned as a possible centerpiece. Woo delivered a solid rookie campaign last season with a 4.21 ERA, 1.21 WHIP and 93:31 K:BB over 87.2 innings.