Mariners vs Royals Prediction, Odds, Moneyline, Spread & Over/Under for August 27

Odds updated as of 3:26 PM

The Seattle Mariners versus the Kansas City Royals is on the MLB schedule for Sunday.

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

Mariners vs Royals Game Info

• Seattle Mariners (73-56) vs. Kansas City Royals (41-90)
• Date: Sunday, August 27, 2023
• Time: 4:10 PM ET
• Venue: T-Mobile Park -- Seattle, Washington
• Coverage: ROOT Sports NW

Mariners vs Royals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: SEA: (-330) | KC: (+265)
• Spread: SEA: -1.5 (-152) | KC: +1.5 (+126)
• Total: 8 -- Over: (-120) | Under: (-102)

Mariners vs Royals Probable Starting Pitchers

Probable Pitchers: Luis Castillo (Mariners) - 10-7, 3.20 ERA vs Alec Marsh (Royals) - 0-6, 5.56 ERA

The Mariners will give the ball to Luis Castillo (10-7, 3.20 ERA), who is eyeing win No. 11 on the season, and the Royals will counter with Marsh (0-6, 5.56 ERA). When Castillo starts, his team is 11-15-0 against the spread this season. Castillo's team has a record of 12-9 this season when he starts and they are the favorite on the moneyline. The Royals are 1-5-0 against the spread when Marsh starts. The Royals were the moneyline underdog for six Marsh starts this season -- they lost every game.

Mariners vs Royals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (75.1%)

Mariners vs Royals Moneyline

• The Mariners vs Royals moneyline has Seattle as a -330 favorite, while Kansas City is a +265 underdog on the road.

Mariners vs Royals Spread

• The Mariners are 1.5-run home favorites on the runline against the Royals. The Mariners are -152 to cover, and the Royals are +126.

Mariners vs Royals Over/Under

• An over/under of 8 has been set for Mariners-Royals on August 27, with the over being -120 and the under -102.

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

Mariners vs Royals Betting Trends

• The Mariners have been victorious in 50, or 58.8%, of the 85 contests they have been chosen as favorites in this season.
• Seattle has played as a favorite of -330 or more just one time this year and came away with a win in that game.
• The Mariners and their opponents have gone over in 66 of their 129 games with a total set by sportsbooks this season.
• The Mariners have posted a record of 66-63-0 against the spread this season.
• The Royals have gone 35-79 in games they were listed as the moneyline underdog (winning 30.7% of those games).
• Kansas City has played as a moneyline underdog of +265 or longer in only one game this season, which it won.
• In the 130 games bookmakers have set an over/under for the Royals, they have combined with opponents to go over the total 64 times (64-64-2).
• The Royals have collected a 56-74-0 record ATS this season (covering 43.1% of the time).

Mariners Player Leaders

• Julio Rodriguez leads Seattle in slugging percentage (.466) thanks to 53 extra-base hits. He has a .279 batting average and an on-base percentage of .341.
• Among qualified hitters, he ranks 25th in batting average, his on-base percentage ranks 45th, and he is 43rd in slugging.
• Rodriguez hopes to build on an 11-game hitting streak in this matchup. In his last 10 outings he is hitting .521 with four doubles, three home runs, four walks and 15 RBI.
• J.P. Crawford leads Seattle with an OBP of .385 this season while batting .268 with 75 walks and 73 runs scored. He's slugging .417.
• His batting average ranks 50th among qualified players, his on-base percentage ninth, and his slugging percentage 92nd.
• Crawford has picked up a hit in two straight games. During his last five outings he is hitting .316 with a double, a home run, seven walks and three RBI.
• Ty France has 121 hits this season and has a slash line of .253/.336/.378.
• Cal Raleigh has 92 hits, which is best among Seattle hitters this season, while batting .232 with 46 extra-base hits.
• Raleigh has safely hit in three straight games. In his last five games he is hitting .500 with two doubles, three home runs, three walks and nine RBI.

Royals Player Leaders

• Bobby Witt Jr. has an on-base percentage of .318, a slugging percentage of .504, and has 145 hits, all club-highs for the Royals (while batting .278).
• Including all the qualifying hitters in the majors, his batting average ranks 27th, his on-base percentage ranks 98th, and he is 20th in slugging.
• Salvador Perez is hitting .251 with 19 doubles, 19 home runs and 18 walks. He's slugging .421 with an on-base percentage of .295.
• His batting average is 90th among all qualified players, his on-base percentage is 130th, and he is 86th in slugging.
• Maikel Garcia has 17 doubles, two triples, four home runs and 27 walks while batting .280.
• MJ Melendez has 27 doubles, four triples, 12 home runs and 43 walks while batting .234.

Mariners vs. Royals Head to Head

• 8/26/2023: 15-2 SEA (Favorite: Mariners, Spread: -1.5, Total: 8.5, Favorite Moneyline: -270, Underdog Moneyline: +220)
• 8/25/2023: 7-5 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -196, Underdog Moneyline: +164)
• 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)
• 8/15/2023: 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)
• 4/24/2022: 5-4 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -200, Underdog Moneyline: +168)
• 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)

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