Mariners vs. Royals Dunkel MLB Picks, Predictions and Prop Bets - May 23

The Kansas City Royals hope to end their four-game losing run against the Seattle Mariners, at 4:10 p.m. ET on Saturday. George Kirby (5-3, 3.45 ERA) will start for the Mariners, who are 25-27 this season and second in the AL West. Stephen Kolek (2-0, 4.24 ERA) is the expected starter for the Royals, who are 20-31 and fourth in the AL Central.

Despite playing on the road, the Mariners are still a decent moneyline favorite (-127) over the Royals (+107). The total for this contest is 8.5.

Mariners vs. Royals Odds, Game Time

• Game day: Saturday, May 23, 2026
• Game time: 4:10 p.m. ET
• Location: Kansas City, Missouri
• Stadium: Kauffman Stadium
• Favorite: Mariners (-127)
• Underdog: Royals (+107)
• Over/under: 8.5

How to Watch Mariners vs. Royals

• TV Channel: Fox Sports 1, ROYL and SEAM
• Live Stream: Fubo (Watch for free)

Bet now on FanDuel Sportsbook!

Mariners vs. Royals: Betting the Moneyline

• The Mariners are 24-24 in games they were favored on the moneyline (winning 50% of those games).
• Kansas City has been underdogs in 24 games this season and has come away with the win eight times (33.3%) in those contests.
• Seattle has a record of 22-17 in games when sportsbooks favor them by at least -127 on the moneyline.
• This season, the Royals have been victorious three times in 10 chances when named as an underdog of at least +107 or worse on the moneyline.
• The Mariners have a 55.9% chance to win this game based on the moneyline's implied probability.
• Bookmakers have implied with the moneyline set for this matchup that the Royals have a 48.3% chance of pulling out a win.

Mariners vs. Royals: Betting the Spread & Total

• The Mariners have had an over/under set by bookmakers 52 times, and have combined with opponents to go over the total in 23 of those games (23-27-2).
• Kansas City and its opponents have hit the over in 22 of its 51 games with a total this season.
• The Mariners have collected a 19-33-0 record against the spread this season (covering only 36.5% of the time).
• The Royals have posted a record of 20-31-0 against the spread this season.