Kansas City Royals at Seattle Mariners Preview - June 30, 2025

Monday, June 30th, 2025

The Seattle Mariners (43-40, second in the AL West) host the Kansas City Royals (39-45, fourth in the AL Central) for the first game of a four-game series on Monday, June 30, 2025.

The game is scheduled for 8:40 PM Pacific Time in Seattle.

Pitching Matchup

Royals: Michael Wacha (4-7, 3.33 ERA, 1.22 WHIP, 74 strikeouts)

Mariners: George Kirby (1-4, 5.40 ERA, 1.28 WHIP, 36 strikeouts)

Betting Information

Mariners -162, Royals +135; over/under is 7 1/2 runs

Team Notes

Seattle has a 20-19 record at home and is 43-40 overall. The Mariners rank fourth in the AL with a team on-base percentage of .324.

Kansas City holds a 19-21 record in road games and a 39-45 record overall. The Royals have performed well in games where they prevent home runs, going 25-9 in such contests.

This game marks the first meeting between the two teams this season.

Top Performers

For the Mariners, Cal Raleigh leads with 32 home runs and boasts a .643 slugging percentage. Dominic Canzone has been hitting well recently, going 9 for 33 with four home runs and four RBI over the past 10 games.

Vinnie Pasquantino leads the Royals with 12 home runs and a .417 slugging percentage. Bobby Witt Jr. is also hitting well over the last 10 games, going 13 for 42 with five doubles, two home runs, and four RBI.

Last 10 Games

Mariners: 6-4 record, .283 batting average, 4.35 ERA, outscored opponents by 11 runs.

Royals: 3-7 record, .216 batting average, 3.98 ERA, outscored by 13 runs.

Injuries

Mariners: Bryce Miller (elbow), Collin Snider (forearm), Gregory Santos (knee), Victor Robles (shoulder), Ryan Bliss (biceps) are on the injured list.

Royals: Cole Ragans (rotator cuff), Michael Massey (ankle), Hunter Harvey (shoulder), Alec Marsh (shoulder), James McArthur (elbow) are on the injured list.

In summary

The Seattle Mariners host the Kansas City Royals on Monday, June 30, 2025, at 8:40 PM PT to begin a four-game series. The Mariners are 43-40 and second in the AL West, while the Royals are 39-45 and fourth in the AL Central. Michael Wacha is scheduled to pitch for Kansas City against George Kirby for Seattle. Seattle enters the game with a 20-19 home record and boasts a strong team on-base percentage. Kansas City has a 19-21 road record and a positive record in games without allowing home runs. Cal Raleigh and Vinnie Pasquantino are key offensive players for their respective teams.

MLB Schedules

Today's MLB Games

There are no baseball games today.

Tomorrow's MLB Games

There are no baseball games tomorrow.

Yesterday's MLB Games

There were no baseball games yesterday.