Mariners vs Royals Prediction, Odds, Moneyline, Spread & Over/Under for August 17

Odds updated as of 11:26 AM
The MLB slate on Thursday includes the Seattle Mariners facing the Kansas City Royals.
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 (65-55) vs. Kansas City Royals (39-83)
- Date: Thursday, August 17, 2023
- Time: 2:10 PM ET
- Venue: Kauffman Stadium -- Kansas City, Missouri
- Coverage: MLB Network
Mariners vs Royals Odds & Moneyline
- All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
- Moneyline: SEA: (-230) | KC: (+190)
- Spread: SEA: -1.5 (-137) | KC: +1.5 (+114)
- Total: 9 -- Over: (-120) | Under: (-102)
Mariners vs Royals Probable Starting Pitchers
Probable Pitchers: George Kirby (Mariners) - 10-8, 3.11 ERA vs Angel Zerpa (Royals) - 1-1, 7.71 ERA
The Mariners will call on George Kirby (10-8) against the Royals and Zerpa (1-1). Kirby's team is 11-12-0 against the spread this season in his starts. Kirby's team has a record of 11-6 this season when he starts and they are the favorite on the moneyline. Last season Zerpa and his team had a 1-1-0 record against the spread when he pitched. Zerpa's team was the underdog on the moneyline just one time in a game he pitched a season ago, and won.
Mariners vs Royals Prediction & Pick
All MLB win probability predictions and picks are according to numberFire.
Prediction: Mariners win (67.3%)
Mariners vs Royals Moneyline
- Seattle is a -230 favorite on the moneyline, while Kansas City is a +190 underdog at home.
Mariners vs Royals Spread
- The Royals are +1.5 on the spread (+114 to cover), and Seattle is -137 to cover the runline.
Mariners vs Royals Over/Under
- The over/under for Mariners-Royals on August 17 is 9. The over is -120, and the under is -102.
Bet on Seattle Mariners vs. Kansas City Royals on FanDuel today!
Mariners vs Royals Betting Trends
- The Mariners have won in 45, or 57%, of the 79 contests they have been named as odds-on favorites in this year.
- Seattle has a record of 7-2 in contests when oddsmakers favor them by -230 or more on the moneyline.
- The Mariners and their opponents have gone over in 59 of their 120 games with a total set by sportsbooks this season.
- In 120 games with a line this season, the Mariners have a mark of 58-62-0 against the spread.
- The Royals have gone 34-73 in games they were listed as the moneyline underdog (winning 31.8% of those games).
- When it has played as a moneyline underdog with odds of +190 or longer, Kansas City has gone 6-13 (31.6%).
- The Royals have played in 121 games with a set over/under, and have combined with opponents to go over the total 58 times (58-61-2).
- The Royals have covered 43.8% of their games this season, going 53-68-0 against the spread.
Mariners Player Leaders
- Julio Rodriguez leads Seattle with a slugging percentage of .437, fueled by 48 extra-base hits. He has a .261 batting average and an on-base percentage of .323.
- Among all qualifying hitters in MLB, his batting average ranks 62nd, his on-base percentage ranks 85th, and he is 70th in slugging.
- Rodriguez hopes to build on a four-game hitting streak in this matchup. In his last five games he is batting .308 with three doubles, a walk and seven RBI.
- Ty France is hitting .259 with 28 doubles, 10 home runs and 33 walks. He's slugging .391 with an on-base percentage of .341.
- He ranks 66th in batting average, 50th in on-base percentage and 107th in slugging among qualifying hitters.
- France takes a two-game streak with at least one hit into this contest. During his last five outings he is hitting .333 with a double, a home run, six walks and four RBI.
- Cal Raleigh leads Seattle in total hits (81) this season, and 40 of those have gone for extra bases.
- Eugenio Suarez is batting .233 with a .322 OBP and 75 RBI for Seattle this season.
- Suarez has hit safely in four games in a row. In his last five games he is batting .227 with a home run, three walks and three RBI.
Royals Player Leaders
- Bobby Witt Jr. has put up an on-base percentage of .315, a slugging percentage of .491, and has 133 hits, all club-bests for the Royals (while batting .274).
- Including all qualified hitters in MLB, he ranks 36th in batting average, 100th in on-base percentage and 25th in slugging percentage.
- Salvador Perez has 19 doubles, 19 home runs and 16 walks while batting .255. He's slugging .437 with an on-base percentage of .298.
- Including all qualified players, he ranks 77th in batting average, 125th in on-base percentage and 70th in slugging percentage.
- Maikel Garcia is hitting .289 with 16 doubles, two triples, four home runs and 25 walks.
- MJ Melendez is batting .232 with 23 doubles, three triples, 12 home runs and 42 walks.
Mariners vs. Royals Head to Head
- 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)
- 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)
- 4/22/2022: 4-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 7.5, Favorite Moneyline: -134, Underdog Moneyline: +114)
- 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)
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