Odds updated as of 3:14 PM

Saturday's slate in the MLB includes a matchup between the Seattle Mariners and the Kansas City Royals.

Before you do any MLB betting on this matchup at FanDuel Sportsbook, here's what you need to know.

Mariners vs Royals Game Info

• Seattle Mariners (36-29) vs. Kansas City Royals (38-26)
• Date: Saturday, June 8, 2024
• Time: 4:10 PM ET
• Venue: Kauffman Stadium -- Kansas City, Missouri
• Coverage: ROOT Sports NW

Mariners vs Royals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-122) | KC: (+104)
• Spread: SEA: -1.5 (+130) | KC: +1.5 (-156)
• Total: 9 -- Over: (-112) | Under: (-108)

Mariners vs Royals Probable Starting Pitchers

Probable Pitchers: Luis Castillo (Mariners) - 5-6, 2.99 ERA vs Alec Marsh (Royals) - 4-3, 3.76 ERA

The probable pitchers are Luis Castillo (5-6) for the Mariners and Alec Marsh (4-3) for the Royals. Castillo's team is 5-7-0 against the spread in his starts this season. Castillo's team has a record of 5-4 this season when he starts and they are the favorite on the moneyline. When Marsh starts, the Royals have gone 7-3-0 against the spread. The Royals have been the underdog on the moneyline in six of Marsh's starts this season, and they went 4-2 in those games.

Mariners vs Royals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (58%)

Mariners vs Royals Moneyline

• Kansas City is a +104 underdog on the moneyline, while Seattle is a -122 favorite on the road.

Mariners vs Royals Spread

• The Royals are +1.5 on the run line against the Mariners. The Royals are -156 to cover, and the Mariners are +130.

Mariners vs Royals Over/Under

• An over/under of 9 has been set for Mariners-Royals on June 8, with the over being -112 and the under -108.

Bet on Seattle Mariners vs. Kansas City Royals on FanDuel today!

Mariners vs Royals Betting Trends

• The Mariners have come away with 23 wins in the 38 contests they have been listed as the favorites in this season.
• Seattle has a record of 19-12 when favored by -122 or more this year.
• The Mariners' games have gone over the total in 24 of their 64 opportunities.
• The Mariners are 31-33-0 against the spread in their 64 games that had a posted line this season.
• The Royals have been the moneyline underdog 35 total times this season. They've finished 19-16 in those games.
• In games it has played as a moneyline underdog with odds of +104 or longer, Kansas City has an 11-12 record (winning 47.8% of its games).
• The Royals have played in 61 games with a set over/under, and have combined with opponents to go over the total 29 times (29-32-0).
• The Royals have gone 37-24-0 against the spread this season.

Mariners Player Leaders

• Ty France leads Seattle in OBP (.329) and total hits (53) this season. He's batting .251 batting average while slugging .403.
• Among qualifying hitters in MLB, he ranks 72nd in batting average, 61st in on-base percentage, and 88th in slugging.
• Julio Rodriguez has hit five homers this season while driving in 24 runs. He's batting .267 this season and slugging .345 with an on-base percentage of .318.
• Among qualified batters, his batting average ranks him 46th, his on-base percentage 83rd, and his slugging percentage 132nd.
• Dylan Moore has 35 hits this season and has a slash line of .216/.330/.420.
• Josh Rojas has been key for Seattle with 46 hits, an OBP of .341 plus a slugging percentage of .405.

Royals Player Leaders

• Bobby Witt Jr. has accumulated 83 hits with a .568 slugging percentage, both team-best statistics for the Royals. He's batting .323 and with an on-base percentage of .375.
• Including all the qualified players in the big leagues, his batting average ranks third, his on-base percentage ranks 16th, and he is seventh in slugging.
• Witt takes an eight-game hitting streak into this game. During his last 10 outings he is batting .400 with a double, a triple, two home runs, two walks and 11 RBI.
• Maikel Garcia has 13 doubles, three triples, five home runs and 19 walks while batting .261. He's slugging .391 with an on-base percentage of .309.
• Including all qualified hitters, he ranks 55th in batting average, 102nd in on-base percentage and 101st in slugging percentage.
• Salvador Perez has put up an on-base percentage of .379, a team-best for the Royals.
• Vinnie Pasquantino is hitting .244 with 17 doubles, a triple, seven home runs and 23 walks.

Mariners vs Royals Head to Head

• 6/7/2024: 10-9 KC (Favorite: Mariners, Spread: -1.5, Total: 9, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 5/15/2024: 4-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 5/14/2024: 4-2 KC (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -164, Underdog Moneyline: +138)
• 5/13/2024: 6-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 8/15/2023: 10-8 SEA (Favorite: Mariners, Spread: -1.5, Total: 9.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 8/14/2023: 7-6 KC (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 8/17/2023: 6-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 9, Favorite Moneyline: -230, Underdog Moneyline: +190)
• 8/16/2023: 6-5 SEA (Favorite: Mariners, Spread: -1.5, Total: 9.5, Favorite Moneyline: -205, Underdog Moneyline: +172)
• 8/27/2023: 3-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -330, Underdog Moneyline: +265)
• 8/26/2023: 15-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -270, Underdog Moneyline: +220)

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