Odds updated as of 3:11 PM

The MLB's Wednesday slate includes the Seattle Mariners facing the Kansas City Royals.

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

Mariners vs Royals Game Info

• Seattle Mariners (23-20) vs. Kansas City Royals (26-18)
• Date: Wednesday, May 15, 2024
• Time: 4:10 PM ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: BSKC

Mariners vs Royals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-142) | KC: (+120)
• Spread: SEA: -1.5 (+155) | KC: +1.5 (-188)
• Total: 7.5 -- Over: (-115) | Under: (-105)

Mariners vs Royals Probable Starting Pitchers

Probable Pitchers: Bryan Woo (Mariners) - 0-0, 0.00 ERA vs Alec Marsh (Royals) - 3-0, 2.53 ERA

The Mariners will give the nod to Bryan Woo and the Royals will turn to Alec Marsh (3-0, 2.53 ERA). Woo helped his team cover the spread in his only opportunity this season as a starter. Woo's team won his only start as a favorite this season. The Royals have gone 5-1-0 ATS in Marsh's six starts that had a set spread. The Royals were named the moneyline underdog for four Marsh starts this season -- they won each time.

Mariners vs Royals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (61.7%)

Mariners vs Royals Moneyline

• Seattle is a -142 favorite on the moneyline, while Kansas City is a +120 underdog on the road.

Mariners vs Royals Spread

• The Royals are at +1.5 on the runline against the Mariners. The Royals are -188 to cover the spread, and the Mariners are +155.

Mariners vs Royals Over/Under

• Mariners versus Royals on May 15 has an over/under of 7.5 runs, with the odds on the over -115 and the under set at -105.

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Mariners vs Royals Betting Trends

• The Mariners have won in 14, or 58.3%, of the 24 contests they have been named as odds-on favorites in this year.
• This season Seattle has been victorious nine times in 15 chances when named as a favorite of at least -142 on the moneyline.
• The Mariners' games have gone over the total in 15 of their 43 opportunities.
• The Mariners are 21-22-0 against the spread in their 43 games that had a posted line this season.
• The Royals have won 60% of the games this season they were the moneyline underdog (15-10).
• Kansas City has a record of 3-4 when it has played as a moneyline underdog with odds of +120 or longer (42.9%).
• The Royals have played in 41 games with a set over/under, and have combined with opponents to go over the total 17 times (17-24-0).
• The Royals have collected a 24-17-0 record ATS this season.

Mariners Player Leaders

• Caleb Raleigh leads Seattle in total hits (28) this season while batting .217 with 12 extra-base hits. He has an on-base percentage of .301 and a slugging percentage of .465.
• Among qualified batters in the majors, he is 133rd in batting average, 120th in on-base percentage, and 41st in slugging.
• Josh Rojas has four doubles, two triples, three home runs and 12 walks. He's batting .333 and slugging .491 with an on-base percentage of .400.
• Mitch Haniger has collected 31 base hits, an OBP of .277 and a slugging percentage of .372 this season.
• Julio Rodriguez is slashing .260/.313/.325 this season and leads the Mariners with an OPS of .639.
• Rodriguez has hit safely in three straight games. In his last five games he is batting .250 with a double, a home run, a walk and two RBI.

Royals Player Leaders

• Bobby Witt Jr. has put up a team-best .509 slugging percentage. He's batting .298 with an on-base percentage of .366.
• Including all the qualified hitters in MLB, his batting average puts him 21st, his on-base percentage is 29th, and he is 18th in slugging.
• Salvador Perez paces his team with 49 hits and a .393 on-base percentage. He has a batting average of .325 while slugging .543.
• Including all qualified hitters, he ranks ninth in batting average, 11th in on-base percentage and ninth in slugging percentage.
• Vinnie Pasquantino is batting .243 with 12 doubles, five home runs and 19 walks.
• Maikel Garcia is hitting .239 with nine doubles, a triple, four home runs and 13 walks.

Mariners vs Royals Head to Head

• 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)
• 9/25/2022: 13-12 KC (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -184, Underdog Moneyline: +154)
• 9/24/2022: 6-5 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -180, Underdog Moneyline: +152)
• 9/23/2022: 5-1 KC (Favorite: Royals, Spread: -1.5, Total: 7.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 4/24/2022: 5-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -200, Underdog Moneyline: +168)
• 4/23/2022: 13-7 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -190, Underdog Moneyline: +160)
• 4/22/2022: 4-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -134, Underdog Moneyline: +114)

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