Mariners vs. Royals Odds & Betting Predictions - May 23, 2026

Mariners at Royals

8:10 pm • Fox Sports 1
@
Starting Pitchers
pitcherteameraw-l
Stephen Kolek logoS.KolekKansas City Royals logo4.242-0
George Kirby logoG.KirbySeattle Mariners logo3.455-3

Mariners at Royals Odds

Spread, Total, Moneyline

MatchupOpenSpreadTotalMoneyline
Mariners
25-27
-1.5
-1.5+119
o8.5-111
-138
Royals
20-31
u8.5
+1.5-145
u8.5-108
+115
location pinSaturday 8:10 p.m.
May 23, 2026
Kauffman StadiumKansas City
thermometer image78°Fahrenheit
rain image0%Rain
wind image7Wind
Mariners vs. Royals Expert Picks
Adam Kaufman
Adam Kaufman
Last 30d: 34-41-0 (-12.0u)
SEA -140
1.4u
Sean Paul
Sean Paul
Last 30d: 7-7-0 (-0.4u)
Under 8.5-105
1u

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Prop Odds Comparison

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Line Movement Tracker

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Mariners vs. Royals Public Betting Percentages

Away Logo

Mariners

Public

75%

Bets%

25%

Money%

Matchup History

Against the Spread (ATS) History

overallhomeawayfavoriteunderdog
Royals
20-3112-158-1611-178-14
Mariners
19-3310-199-1418-311-2

Over/Under History

overallhome o/uaway o/ufavorite o/uunderdog o/u
Royals
22-2914-138-1616-126-16
Mariners
22-28-214-14-18-14-122-25-20-3

Straight-Up (ML) History

overallhomeawayfavoriteunderdog
Royals
20-3113-147-1712-167-15
Mariners
25-2714-1511-1224-251-2

Last 5 Matchups

dateopponentscorespreadover/undermoneyline
May 22ndSEAL 0-2+1.5 LU 8SEA -102
May 20thBOSL 3-4-1.5 LU 7.5BOS -114
May 19thBOSL 1-7+1.5 LO 7.5BOS +115
May 18thBOSL 1-3+1.5 LU 9BOS -104
May 17th@STLW 2-0-1.5 WU 9.5KC +101

Royals vs. Mariners Injury Updates

Royals Injuries

    Mariners Injuries

    • Miles Mastrobuoni
      3B

      Mastrobuoni is out with calf

      Out

    Mariners vs. Royals Starting Lineups
    Mariners Starting Lineup
    Projected
    PITCHERW-LERAWHIPK/9
    George Kirby logoRG.Kirby, P5-33.451.1817.47
    HITTERSAVGOBPSLGHR
    J.P. Crawford logo1J.Crawford, SS.204.350.3546
    Julio Rodriguez logo2J.Rodriguez, CF.261.323.4308
    Josh Naylor logo3J.Naylor, 1B.250.317.3565
    Randy Arozarena logo4R.Arozarena, LF.299.394.4625
    Luke Raley logo5L.Raley, RF.258.324.54810
    Cole Young logo6C.Young, 2B.239.324.3503
    Dominic Canzone logo7D.Canzone, DH.243.328.4374
    Jhonny Pereda logo8J.Pereda, C.235.316.4121
    Colt Emerson logo9C.Emerson, 3B.143.294.3571
    Royals Starting Lineup
    Projected
    PITCHERW-LERAWHIPK/9
    Stephen Kolek logoRS.Kolek, P2-04.241.0006.35
    HITTERSAVGOBPSLGHR
    Maikel Garcia logo1M.Garcia, 3B.260.323.3833
    Bobby Witt logo2B.Witt, SS.294.363.4737
    Vinnie Pasquantino logo3V.Pasquantino, 1B.197.283.3265
    Salvador Perez logo4S.Perez, C.206.254.3608
    Carter Jensen logo5C.Jensen, DH.228.317.3936
    Jac Caglianone logo6J.Caglianone, RF.247.311.4205
    Isaac Collins logo7I.Collins, LF.210.323.3123
    Michael Massey logo8M.Massey, 2B.221.240.4003
    Kyle Isbel logo9K.Isbel, CF.264.324.4003

    Mariners vs. Royals Odds Comparison

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    Mariners at Royals Team Totals

    MatchupOverUnder
    Mariners
    25-27
    N/A
    N/A
    Royals
    20-31
    N/A
    N/A