Royals vs Mariners Picks and Prediction – 7/1/2025

The Kansas City Royals open a four-game series on the road Monday versus the Seattle Mariners. Kansas City is 39-44 following Saturday’s 9-5 victory over the Los Angeles Dodgers, snapping a six-game losing streak by the Royals. Vinnie Pasquantino homered and doubled to drive in five runs. Kansas City trails first-place Detroit in the American League Central by 12 ½ games. Keep up to date with all the MLB action with our MLB predictions.

Maikel Garcia is batting .311 with an on-base percentage of .370 to lead Kansas City in both categories. Vinnie Pasquantino leads in home runs with 12 and RBI with 47. Bobby Witt Jr leads in hits with 93. Kansas City is batting .246 with a .369 slugging percentage. On Monday, Kansas City will send Michael Wacha to the mound. The right-hander is 4-7 with a 3.33 ERA, 74 Ks, and 24 BBs.

The Seattle Mariners dropped to 42-40 following Saturday’s 3-2 loss to the Texas Rangers. Seattle's bullpen gave up the winning run in the bottom of the 10th inning on Saturday. Seattle has lost three of the last four, and the Mariners trail the first-place Houston Astros by 6 ½ games in the American League West but lead third-place Los Angeles by one game.

J.P. Crawford is batting .279 with an on-base percentage of .388 to lead Seattle in both categories. Cal Raleigh leads in home runs with 32 and in RBI with 69, while Julio Rodriguez leads in hits with 85. Seattle is batting .247 with a .402 slugging percentage. On Monday, Seattle will send George Kirby to the mound. The right-hander is 1-4 with a 5.40 ERA, 36 Ks, and 9 BBs.

The Mariners have won 15 of the last 19 head-to-head versus Kansas City, and the Royals have lost six of the last seven. Kansas City starter Michael Wacha has been hit hard in three of the past four outings, allowing 12 runs across 23.1 innings. Seattle starter George Kirby is coming off a strong outing in which the right-hander allowed one run on three hits across six innings. Final Score Prediction: Seattle Mariners win 6-3.