- Matchup: Chicago White Sox vs Seattle Mariners
- Event Date: Monday, May 18, 2026
- Venue: T-Mobile Park, Seattle, WA
- Broadcast: MLB.TV
- Betting Odds: Chicago (+110) Seattle (-130)
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This Monday, the Chicago White Sox (23-22) are set to face off against the Seattle Mariners (22-25) at T-Mobile Park. With the White Sox starting at +110 and the Mariners at -130, the over/under is currently at 8.5 runs. Expected starting pitchers for the game include Noah Schultz and Bryan Woo.
The White Sox have recorded 52 doubles and hit 59 home runs this season. They hold a slugging percentage of .401 and have struck out 405 times while drawing 171 walks. Currently, Chicago scores 4.4 runs per game, placing them 13th in MLB. They have accumulated 184 RBIs and 337 hits, with a batting average of .234 and an on-base percentage of .324.
On the pitching front, the White Sox have an earned run average of 4.35 (21st in MLB), amassing 351 strikeouts. They have surrendered 45 home runs and allowed 207 runs (22nd in the league). With 181 walks, their FIP stands at 4.36, and they allow 8.2 hits per nine innings. This season, they have recorded 189 earned runs, a K/BB ratio of 1.94, and a WHIP of 1.37.
The relief staff has faced runners on base 52 times and has appeared in 45 high-pressure situations, accumulating 16 holds this year (25th in MLB). The White Sox relief pitchers have a save percentage of 60.0%, converting 15 saves out of 25 opportunities. They have inherited 79 base runners, with 31.6% scoring. This season, 155 relievers have taken the mound for Chicago.
Throughout the season, the White Sox have recorded 1,172 putouts, 402 assists, and 21 errors, maintaining a fielding percentage of .987, which ranks 15th in Major League Baseball. They have successfully completed 33 double plays and converted 70.4% of balls in play into outs in their 3,516 innings, placing them 13th overall.
Schultz has pitched 29 innings, tallying 26 strikeouts in his MLB career thus far. His ERA is 4.95 (16 earned runs), with a WHIP of 1.375. He has allowed 19 hits (5.9 hits per nine innings) and issued 21 walks. Schultz has a career record of 2-2 and a FIP of 4.87, competing against 125 batters throughout his time in the majors.
The Mariners, on the other hand, have a team slugging percentage of .383 and average 4.15 runs per game (21st in MLB). They’ve hit 62 doubles, drawn 179 walks, and scored 191 runs. With 53 home runs and 186 RBIs, they have struck out 416 times (3rd in MLB) while recording 353 hits. Seattle has an on-base percentage of .321 and a team batting average of .232 this year.
Seattle’s pitching staff holds a WHIP of 1.227 and a FIP of 3.65. They rank 25th in total hits allowed with 388 and have given up 177 runs, resulting in a team ERA of 3.59 (163 earned runs). Their K/BB ratio stands at 8.60 (391 strikeouts vs. 114 walks). The Mariners have allowed 45 home runs, yielding 3.89 runs per nine innings (6th in MLB).
With a 63.2% save rate, they have used 144 relief pitchers this season. Their relievers have appeared in high-stakes situations 59 times, with 35 instances featuring runners on base. The Mariners hold 43 save opportunities, achieving 24 holds and 7 blown saves. They’ve recorded 12 saves from 19 save chances, while their relief pitchers have a low inherited score percentage of 13.0% from 46 inherited runners.
Notably, the Seattle Mariners have executed 44 double plays and have a .990 fielding percentage (5th in MLB). Over the season, they have achieved 386 assists, recorded 17 errors, and made 1,228 putouts. They have played 3,684 innings with a defensive efficiency rating of 68.8% (25th in MLB).
Woo boasts a career record of 31-17 with a 3.29 earned run average, allowing 7.0 hits per nine innings. He holds a strikeout to walk ratio of 4.88, having faced 1,785 hitters in his MLB journey. Woo has given up 164 earned runs, with a WHIP of 0.984 and a FIP of 3.2. So far, he has allowed 351 hits while recording 439 strikeouts over 448 innings pitched.
Who will come out on top in tonight’s MLB matchup against the spread or moneyline?
Prediction: Back Seattle (-130)
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