MLB Prop Bets: Seattle Mariners vs Chicago White Sox (May 19, 2026)
The Chicago White Sox (24-23) face the Seattle Mariners (23-26) at T-Mobile Park on Tuesday at 9:40pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Anthony Kay is the probable pitcher for the White Sox, while Bryce Miller is the probable pitcher for the Mariners. The Mariners are favored to win at -156, while the White Sox are at +129. The total runs line is set at 7.5, with OVER at -112 and UNDER at -107.
- The White Sox (-171) have a 25-22 Run Line record this season, while the Mariners (+141) hold a record of 20-29.
- The White Sox have a 27-19-1 O/U record this season (meaning 27 games have gone over the total runs line, 19 have gone under and one has resulted in a push). The Mariners have a 22-25-2 O/U record.
Scoring Insights
- The White Sox are averaging 4.5 runs per game this season (12th in the league). Comparatively, the Mariners are averaging only 4.2 (22nd).
- In the field, the White Sox are allowing 4.8 runs per game this season (24th in the league), while the Mariners are allowing an average of 3.9 runs (6th).
Let's take a look at how these teams perform in some other key statistical areas.
Batting Insights:
Batting Average
- Looking at their batting averages this season, the White Sox are at .235 (ranking 20th in the Major leagues), while the Mariners are batting .229 (27th).
Home Runs
- In terms of total home runs this season, the Mariners have hit 56 (10th in the Major Leagues). Meanwhile, the White Sox have managed 67 (2nd).
Runs Batted In
- Finally, looking at their runs batted in, the White Sox have recorded 202 RBIs to rank T13th in the MLB this season. Comparatively, the Mariners have recorded 199 RBIs to rank 18th.
Pitching Insights:
Earned Run Average
- The Mariners have an earned run average of 3.69 this season (7th in the Majors), while The White Sox have an ERA of 4.40 (24th).
Strikeouts
- Turning our attention to total strikeouts, the White Sox have recorded 375 this season, ranking T21st in the MLB. Meanwhile, the Mariners rank 10th for total strikeouts, recording 418.
Opponent Batting Average
- Opponents are batting an average of .251 against the Mariners this season (22nd in the Major Leagues). Comparatively, the White Sox's opponents are at .242 (17th).
First Innings Moneyline
- Here are their first innings moneyline records in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| White Sox | 14-11-22 | 7-6-11 | 7-5-11 | 0-1-5 | 14-10-17 | 0-0-0 | 4-5-1 |
| Mariners | 13-13-23 | 9-9-9 | 4-4-14 | 13-12-19 | 0-1-4 | 0-0-0 | 4-2-4 |
Lead After Three Innings
- Here are their records after the first three innings in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| White Sox | 21-15-11 | 11-7-6 | 10-8-5 | 0-3-3 | 21-12-8 | 0-0-0 | 4-4-2 |
| Mariners | 20-17-12 | 12-10-5 | 8-7-7 | 17-16-11 | 3-1-1 | 0-0-0 | 5-3-2 |
NRFI/YRFI
The NRFI market is paying -130 and the YRFI is paying +100.
- The NRFI is 21-26 in White Sox games this season. The Mariners have a 20-29 NRFI record.
Last Time They Met
The Mariners recorded an upset 6-1 victory over the White Sox at T-Mobile Park yesterday. Josh Naylor went yard en route to that victory, hitting a home run to go with an RBI. The Mariners have now won four straight at T-Mobile Park against the White Sox.
