Seattle Mariners pitcher Bryan Woo throws during a game against the Athletics on July 30 at Sutter Health Park. Dennis Lee-Imagn Images

Pitching Matchups For Series Between Seattle Mariners, Chicago White Sox

Originally posted on Seattle Mariners on SI
By Teren Kowatsch | Last updated Aug 4, 2025 7:30 PM ET

SEATTLE — The Seattle Mariners made it through a streak of 17 games without a day off after beating the Texas Rangers 5-4 on Sunday. The Mariners won the four-game series against their American League West rivals with the victory and finished 9-8 over the daunting stretch.

Seattle will have a much-needed day off Monday before beginning a three-game series against the hot Chicago White Sox on Tuesday. Chicago is 10-5 since the All-Star Game.

Here are the pitching matchups for the series between the Mariners and the White Sox:

Tuesday, Aug. 5 — Bryan Woo (Seattle; 8-6, 3.11 ERA) vs. Davis Martin (Chicago; 3-8, 3.84 ERA)

Bryan Woo is coming off one of his worst starts of the season, as he allowed a career-high four home runs against the Athletics on July 30. He struck out six, walked one and allowed five earned runs on eight hits including the four home runs in 6.1 innings.

Bryan Woo, Wicked 96mph Sinker.

19 Inches of Run pic.twitter.com/vhsHOPJv83
— Rob Friedman (@PitchingNinja) July 20, 2025

Davis Martin has allowed two earned runs or more in seven-straight starts and four runs in three of his last five. He fanned seven, walked three and allowed two earned runs on six hits in 5.2 innings pitched against the Philadelphia Phillies on July 28.

Wednesday, Aug. 6 — George Kirby (Seattle; 6-5, 4.13 ERA) vs. Jonathan Cannon (Chicago; 4-8, 4.77 ERA)

George Kirby is coming off his second consecutive quality start and his third in his last five outings. He struck out six, walked two and allowed three hits in six innings against the Rangers on July 31.

George Kirby (6IP 3H 0R 2BB 6K) was strong over six innings in the @Mariners victory over the Rangers. His knuckle curve was our SP Pitch of the Day pic.twitter.com/6Ar3JhrSAz
— Baseball Prospectus (@baseballpro) August 1, 2025

Jonathan Cannon has allowed 12 runs (11 earned) across his last two starts. He fanned three, walked two and allowed six earned runs on seven hits (two home runs) in six innings pitched against the Phillies on July 29.

Thursday, Aug. 7 — Logan Gilbert (Seattle; 3-4, 3.45 ERA) vs. Shane Smith (Chicago; 3-7, 4.25 ERA)

Logan Gilbert will be coming off a quality start against Texas on Aug. 1. He struck out seven, hit a batter and allowed three earned runs on five hits in six innings pitched.

Logan Gilbert, Wicked Curveballs. pic.twitter.com/leBMdIgjDD
— Rob Friedman (@PitchingNinja) July 27, 2025

Shane Smith hasn't pitched through the fifth inning since June 10. He fanned four, walked four, hit a batter and allowed two earned runs on two hits (one home run) in 4.1 innings pitched against the Los Angeles Angels on Aug. 1. He was named an All-Star for the White Sox this season.

This article first appeared on Seattle Mariners on SI and was syndicated with permission.

More must-reads: