Predictions for Mariners vs. Royals: Score Projection, Over/Under Pick & Odds – June 8

Saturday’s contest features the Kansas City Royals (38-26) and the Seattle Mariners (36-29) squaring off at Kauffman Stadium in what is expected to be a competitive matchup, with a projected 5-4 win for the Royals according to our computer prediction. Game time is at 4:10 PM ET on June 8.

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Mariners vs. Royals Matchup Info

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Mariners vs. Royals Predictions

  • Score Prediction: Royals 5, Mariners 4
  • Total Prediction: Under 9 runs

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Mariners vs. Royals Betting Lines

Mariners vs Royals Betting Information
Favorite Favorite Moneyline Underdog Moneyline Total Over Total Odds Under Total Odds
Mariners -125 +105 9 -112 -108

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Mariners Betting Insights

  • Seattle has come away with 23 wins in the 38 contests it has been listed as the favorite in this season.
  • This year, the Mariners have won 19 of 32 games when listed as at least -125 or better on the moneyline.
  • Seattle and its opponents have gone over in 25 of 65 games with a total set by sportsbooks this season.
  • The Mariners were the moneyline favorite in 13 of their past 15 games, and they went 8-5 in those matchups.
  • Over its past 15 matchups — all had a set run total — Seattle and its opponents combined to hit the over on the total four times.

Royals Betting Insights

  • Kansas City is 20-18 in games it was the underdog on the moneyline (winning 52.6% of those games).
  • When they have played as a moneyline underdog with odds of +105 or longer, the Royals have a record of 9-12 (42.9%).
  • Kansas City has played in 64 games with a set over/under, and it has combined with opponents to go over the total 28 times (28-34-2).
  • In 10 games as underdogs in their past 15 matchups, the Royals had a record of 5-5.
  • When it comes to hitting the over, Kansas City and its opponents are 10-5-0 in its past 15 games with a total.

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Mariners vs. Royals Probable Pitchers

Mariners’ Starting Pitcher: Luis Castillo

  • The 31-year-old has pitched to a 2.99 ERA this season with 9.3 strikeouts per nine innings compared to 2.5 walks per nine across 13 games.
  • Luis Castillo’s team has won 55.6% of his starts when they are favored on the moneyline (5-4).
  • In games Castillo has started, his team is 7-6.
  • In Castillo’s 13 starts with a total, the teams have hit the over three times.

Royals’ Starting Pitcher: Alec Marsh

  • In 10 games this season, the 26-year-old has a 3.76 ERA and 7.5 strikeouts per nine innings, while allowing a batting average of .224 to opposing hitters.
  • The Royals have been the moneyline underdog in seven of Marsh’s starts this season, and they went 5-2 in those games.
  • Marsh’s team has won seven of his 10 starts.
  • Marsh’s starts with a set total this season have gone over the run total in five of 10 contests.

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Mariners’ 2024 Performance

Split Record
Overall 36-29
Home 21-11
Road 15-18
One-Run Games 13-6
Scoring 5+ Runs 20-2

Royals’ 2024 Performance

Split Record
Overall 38-26
Home 23-10
Road 15-16
One-Run Games 10-9
Scoring 5+ Runs 22-8

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