The White Sox will play the Mariners on Wednesday, May 20th, 2026. Your timezone's first pitch time is 4:10 pm EDT. Check local listings or your nearest streaming app for coverage.
Learn more about MLB Betting with our handy tutorial and guide. We explain money line, total and run line bets. Plus, a great discussion about exotic bets like MLB Baseball parlays and props.
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Table of Contents
- Matchup Stats
- Best Odds
- Interactive Odds Example
- Prop Bets
- Team Futures Odds
- Team Pages
- Team Standings
- Other Games Today
Key Matchup Stats
- SportsBetting3.com Power Rankings - The Chicago White Sox have a 87.67 power ranking. The power ranking for the Seattle Mariners is 91.00.
- Visiting Chicago White Sox - The Chicago White Sox have a 6-8 record as a visiting team, ranking them 4th Overall for visiting team wins.
- Home Seattle Mariners - The Seattle Mariners have a 9-7 record as a home team. They rank 1st for home team wins in the Overall standings.
- Runs Scored - The Chicago White Sox currently stand 18th (93) Overall, with the Seattle Mariners ranking 17th (96) for runs scored.
- Runs Allowed - The Chicago White Sox are 6th (118) Overall for runs allowed. The Seattle Mariners stand 16th (95) for runs allowed.
- Team Streaks - The Chicago White Sox have won their last 2 games. Meanwhile, the Seattle Mariners have lost their last 2 games.
- Team Records - The Chicago White Sox have a 9-14 Overall record (4.0 GB American Central Division), with the Seattle Mariners possessing a 10-15 Overall standing (3.5 GB American West Division).
Best White Sox at Mariners Odds
| Underdog Chicago White Sox | Favorite Seattle Mariners |
|---|---|
| Over | Under |
|---|---|
| Underdog Chicago White Sox | Favorite Seattle Mariners |
|---|---|
Matchup Odds FAQs
The Seattle Mariners are the -150 moneyline favorite at BetMGM and the Chicago White Sox are the +125 moneyline underdog at BetMGM.
The best over line is 7.5 -102 runs at BetMGM, which means you risk $102 to win $100 betting the over. The best under line is 7.5 -118 runs at BetMGM, and that means you risk $118 to win $100 betting the under.
The Seattle Mariners are -1.5 +145 run line favorites at BetMGM, while the Chicago White Sox are +1.5 -175 run line underdogs at BetMGM.
MLB Odds Example
|
Game |
 BetMGMBet |
|---|---|
White Sox
Mariners
5/20/26 4:10pm EDT | +125-150 |
- Chicago White Sox bettors risk $100 to win $125 at +125 odds. The implied probability for Chicago White Sox is 44.44%.
- Seattle Mariners bettors risk $100 to win $66.67 at -150 odds. The implied probability for Seattle Mariners is 60%.
Chicago White Sox at Seattle Mariners Prop Bets
| BetMGM Bet |
|
|---|---|
White Sox
Mariners
5/20/26 4:10pm EDT | Pending BetMGM |
Chicago White Sox & Seattle Mariners Futures Odds
Latest World Series odds, if available, for each team. Review odds for other teams and learn how to bet on the tournament. See past Championship results and learn how to bet World Series teasers, props and parlays.
Chicago White Sox World Series Odds|
Team | BetMGM |
|---|---|
| White Sox | +4000 Bet |
|
Team | BetMGM |
|---|---|
| Mariners | +1100 Bet |
Chicago White Sox & Seattle Mariners Team Pages
Review each team's season win total odds, futures odds, betting bonuses and other valuable information on our exclusive team betting odds pages. Team betting odds and stats update throughout the season:
Team Standings
| Team | W | L | Pct | GB | Home | Away | RS | RA | Diff | Strk | L10 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Chicago White Sox | 43 | 39 | 0.524 | +10.0 | 28-14 | 15-25 | 392 | 374 | +18 | L1 | 5-5 |
| Seattle Mariners | 42 | 43 | 0.494 | +12.5 | 22-19 | 20-24 | 342 | 338 | +4 | L2 | 4-6 |
How to Bet on the Game
Time needed: 4 minutes.
How to Bet on the Chicago White Sox vs Seattle Mariners MLB Game
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Open a new sports betting account before game time.
Review our list of sports betting sites. Open a new account before the game starts on Wednesday, May 20th, 2026 at 4:10 pm EDT, making sure to enter all your personal details correctly. Don't forget to add your bonus code.
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Visit the sportsbook’s cashier, banking, or deposit page.
Navigate to the sportsbook's deposit page. Use your Visa card or MasterCard, or deposit with a bank transfer, or other methods like Paypal.
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Tap to the sportsbook's MLB page, look for the Chicago White Sox vs Seattle Mariners Game.
Navigate to the sportsbook's MLB page. Next, look for live or upcoming matchups. Select the Chicago White Sox vs Seattle Mariners Game.
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Choose your bet and place a wager.
Choose your bet and then use the funds you deposited to place a wager. The sportsbook will pay your winnings or deduct a losing wager from your account balance after the game.
Other May 20, 2026 MLB Games
- Cincinnati Reds vs Philadelphia Phillies
- Baltimore Orioles vs Tampa Bay Rays
- Houston Astros vs Minnesota Twins
- Texas Rangers vs Colorado Rockies
- San Francisco Giants vs Arizona Diamondbacks
- Cleveland Guardians vs Detroit Tigers
- Atlanta Braves vs Miami Marlins
- New York Mets vs Washington Nationals
- Toronto Blue Jays vs New York Yankees
- Milwaukee Brewers vs Chicago Cubs
- Boston Red Sox vs Kansas City Royals
- Pittsburgh Pirates vs St. Louis Cardinals
- Los Angeles Dodgers vs San Diego Padres
- Oakland Athletics vs Los Angeles Angels