Orioles vs. Mariners Odds & Betting Predictions - June 18, 2026

Orioles at Mariners

8:10 pm • MASN
0 - 3
Starting Pitchers
pitcherteameraw-l
Bryan Woo logoB.WooSeattle Mariners logo3.946-5
Shane Baz logoS.BazBaltimore Orioles logo4.054-7

Orioles at Mariners Odds

Spread, Total, Moneyline

MatchupOpenSpreadTotalMoneyline
Orioles
35-41
+1.5
+1.5-199
o7.5-115
+108
Mariners
39-37
u7.5
-1.5+162
u7.5-103
-129
location pinThursday 8:10 p.m.
June 18, 2026
T-Mobile ParkSeattle
Orioles vs. Mariners Expert Picks
Player Prop Savant
Player Prop Savant
Last 30d: 97-74-0 (+15.8u)
Under 4.5 (F5)-133
1u
Brian Bitler
Brian Bitler
Last 30d: 87-91-1 (+19.4u)
BAL +133
3u
RoyalsProps
RoyalsProps
Last 30d: 57-51-1 (-2.3u)
C.Raleigh o1.5 Hits + Runs + RBIs-103
1.03u
Sean Zerillo
Sean Zerillo
Last 30d: 151-123-10 (+3.7u)
Under 8-110
0.5u
Bet to 7.5 (-105)
Frank Ammirante
Frank Ammirante
Last 30d: 282-252-10 (+34.0u)
B.Woo o6.5 Ks-110
1u
Under 7.5+110
1u

Orioles vs. Mariners Previews & Analysis

  • Our 5 MLB Best Bets for Thursday Afternoon article feature image

    Our 5 MLB Best Bets for Thursday Afternoon

    Action Network Staff
    Jun 18, 2026 UTC
  • Zerillo's Action App MLB Card for Thursday article feature image

    Zerillo's Action App MLB Card for Thursday

    Tanner McGrath
    Jun 18, 2026 UTC
  • The Leadoff: Trollo's MLB Breakdown and Bets for Thursday article feature image

    The Leadoff: Trollo's MLB Breakdown and Bets for Thursday

    Matt Trollo
    Jun 18, 2026 UTC
  • McGrath's Pick for Orioles-Mariners article feature image

    McGrath's Pick for Orioles-Mariners

    Tanner McGrath
    Jun 18, 2026 UTC
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Prop Odds Comparison

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Line Movement Tracker

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Orioles vs. Mariners Public Betting Percentages

Away Logo

Orioles

Public

23%

Bets%

77%

Money%

Matchup History

Against the Spread (ATS) History

overallhomeawayfavoriteunderdog
Mariners
29-4714-2415-2327-432-4
Orioles
36-4022-1914-2116-2020-20

Over/Under History

overallhome o/uaway o/ufavorite o/uunderdog o/u
Mariners
36-37-318-19-118-18-234-33-32-4
Orioles
43-30-322-17-221-13-119-15-224-15-1

Straight-Up (ML) History

overallhomeawayfavoriteunderdog
Mariners
39-3721-1718-2037-332-4
Orioles
35-4122-1913-2218-1817-23

Last 5 Matchups

dateopponentscorespreadover/undermoneyline
Jun 18thBALL 3-5-1.5 LO 7.5BAL -135
Jun 17thBALW 3-1-1.5 WU 7.5SEA -150
Jun 14th@WSHL 1-10-1.5 LO 10.5WSH -132
Jun 13th@WSHL 3-8-1.5 LO 9WSH -105
Jun 12th@WSHW 10-2-1.5 WO 9.5SEA -149

Orioles vs. Mariners Injury Updates

Orioles Injuries

  • Heston Kjerstad
    LF

    Kjerstad is out with hamstring

    Out

  • Jordan Westburg
    3B

    Westburg is out with elbow

    Out

  • Dylan Beavers
    RF

    Dylan Beavers scratched Tuesday.

    Out

Mariners Injuries

    Orioles vs. Mariners Box Score
    Orioles Player Stats
    Projected
    PITCHERPCIPKER
    Shane Baz logoRS.Baz, P99793
    Rico Garcia logoRR.Garcia, P10110
    HITTERSH-ABRHRRBI
    Taylor Ward logo1T.Ward, LF0-4000
    Gunnar Henderson logo2G.Henderson, SS0-3000
    Adley Rutschman logo3A.Rutschman, DH0-4000
    Jeremiah Jackson logo3J.Jackson, PR0-0000
    Pete Alonso logo4P.Alonso, 1B0-4000
    Samuel Basallo logo5S.Basallo, C0-3000
    Leody Taveras logo6L.Taveras, RF1-4000
    Colton Cowser logo7C.Cowser, CF1-2000
    Blaze Alexander logo8B.Alexander, 3B0-3000
    Jackson Holliday logo9J.Holliday, 2B1-3000
    Mariners Player Stats
    Projected
    PITCHERPCIPKER
    Bryan Woo logoRB.Woo, P89790
    Eduard Bazardo logoRE.Bazardo, P11110
    Andres Munoz logoRA.Munoz, P21110
    HITTERSH-ABRHRRBI
    J.P. Crawford logo1J.Crawford, 3B0-4000
    Cal Raleigh logo2C.Raleigh, DH0-4000
    Josh Naylor logo3J.Naylor, 1B1-4100
    Dominic Canzone logo4D.Canzone, RF0-3100
    Cole Young logo5C.Young, 2B1-3101
    Colt Emerson logo6C.Emerson, SS1-2002
    Mitch Garver logo7M.Garver, C0-3000
    Victor Robles logo8V.Robles, CF1-3000
    Miles Mastrobuoni logo9M.Mastrobuoni, LF1-3000

    Orioles vs. Mariners Odds Comparison

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    Orioles at Mariners Team Totals

    MatchupOverUnder
    Orioles
    35-41
    N/A
    N/A
    Mariners
    39-37
    N/A
    N/A