Seattle Mariners vs Chicago White Sox Betting Pick & Prediction for 5/9

MLB game preview

The Seattle Mariners will play the Chicago White Sox at Rate Field. The game is on Saturday, May 9, 2026, at 7:10 PM. It will be shown on KIRO.

The Mariners have a record of 19-20 and are second in the AL West. The White Sox hold a 17-21 record, ranking fourth in the AL Central. Luis Castillo will pitch for Seattle, while Anthony Kay will start for Chicago.

Seattle Mariners Team Preview

The Seattle Mariners are coming off a strong performance against the Chicago White Sox. In their recent game, the Mariners won 12-8, hitting four home runs. Luke Raley and Josh Naylor were key players, with Raley driving in seven runs and Naylor adding three RBIs.

In the upcoming game, Luis Castillo is set to start on the mound for the Mariners. This season, Castillo holds a 0-3 record with a 6.29 ERA and 31 strikeouts. He will look to improve his performance and help the team secure another win.

The Mariners have shown strength in hitting, ranking 7th in home runs with 46. Their on-base percentage is .321, placing them 11th in the league. Players like Cole Young and Randy Arozarena will be essential in maintaining their offensive momentum.

Mariners vs White Sox Game Day Info

  • Sport: MLB
  • Teams: Seattle Mariners vs. Chicago White Sox
  • Venue: Rate Field in Chicago, IL
  • Date: Saturday, May 9, 2026
  • Betting Odds: Mariners Moneyline -142, White Sox Moneyline +119

Chicago White Sox Team Preview

The Chicago White Sox will host the Seattle Mariners in their upcoming game. In recent games, the White Sox have faced challenges, with a loss to the Mariners by a score of 12-8. Despite the loss, the team managed to secure 10 hits, including 5 extra-base hits and 2 home runs.

Munetaka Murakami has been a key player for the White Sox, leading the team in home runs and RBIs. He has a batting average of .237 and has hit 15 home runs so far this season. The team ranks 6th in home runs, showing their ability to hit for power.

On the pitching side, Anthony Kay is the probable starter for the White Sox. He has a season record of 1-1 with a 5.70 ERA and 20 strikeouts. The team’s pitching has been ranked 19th in earned run average, indicating areas for improvement.

BTB Betting Pick

The Mariners are favored on the moneyline at -142 against the White Sox at +119. The Mariners have a better earned run average, ranked 7th, compared to the White Sox’s 19th rank. Given this edge in pitching and the moneyline odds, the pick is for the Mariners to win straight up.

The total for the game is set at 9.0, with the over at -108 and the under at -112. Both teams have similar slugging percentages, ranked 15th and 16th. Considering the Mariners’ stronger pitching, the projected score is likely to stay under 9.0, making the under the recommended pick.