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Diamondbacks vs. Mariners Odds & Betting Predictions - May 31, 2026

Diamondbacks at Mariners

2:10 am • SEAM

Arizona Diamondbacks

31-25
@

Seattle Mariners

29-29
Starting Pitchers
pitcherteameraw-l
Bryan Woo logoB.WooSeattle Mariners logo0.000-0
Ryne Nelson logoR.NelsonArizona Diamondbacks logo0.000-0

Diamondbacks at Mariners Odds

Spread, Total, Moneyline

MatchupOpenSpreadTotalMoneyline
Diamondbacks
31-25
+1.5
+1.5-170
o7-105
+134
Mariners
29-29
u7
-1.5+140
u7-115
-159
location pinSunday 2:10 a.m.
May 31, 2026
T-Mobile ParkSeattle
thermometer image62°Fahrenheit
rain image0%Rain
wind image7Wind
Diamondbacks vs. Mariners Expert Picks
Frank Ammirante
Frank Ammirante
Last 30d: 213-238-11 (-11.7u)
SEA -150
1.5u
Adam Kaufman
Adam Kaufman
Last 30d: 65-61-0 (-2.1u)
SEA -155
1.55u
Sean Zerillo
Sean Zerillo
Last 30d: 176-147-11 (+5.8u)
Under 7-110
0.55u
Bet to 6.5 (-105)
Matt Trollo
Matt Trollo
Last 30d: 54-62-6 (-6.8u)
B.Woo o5.5 Ks-102
0.51u
(FD) Saturday's slate breakdown.

Diamondbacks vs. Mariners Previews & Analysis

  • Matt's Diamondbacks vs Mariners Pick article feature image

    Matt's Diamondbacks vs Mariners Pick

    Matt Trollo•
    May 30, 2026 UTC
  • The Leadoff: Trollo's MLB Breakdown and Bets for Saturday article feature image

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

    Matt Trollo•
    May 30, 2026 UTC
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Prop Odds Comparison

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Line Movement Tracker

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Diamondbacks vs. Mariners Public Betting Percentages

Away Logo

Diamondbacks

Public

Home Logo

Mariners

33%

Bets%

67%

Money%

MLB Public Betting Right Arrow

Betting Trends

  • Mariners are 4-1 in their last 5 games.
  • Mariners are 3-2 in their last 5 games against the spread
  • Mariners are 12-16 in their road games against the spread
  • The totals have gone OVER in 4 of Mariners' last 5 games
  • The totals have gone OVER in 15 of Mariners' 30 last games at home

Matchup History

Against the Spread (ATS) History

overallhomeawayfavoriteunderdog
Mariners		22-3610-2012-1620-342-2
Diamondbacks		34-2217-1117-1114-1119-11

Over/Under History

overallhome o/uaway o/ufavorite o/uunderdog o/u
Mariners		26-30-215-14-111-16-126-26-20-4
Diamondbacks		28-25-312-15-116-10-210-14-117-11-2

Straight-Up (ML) History

overallhomeawayfavoriteunderdog
Mariners		29-2915-1514-1427-272-2
Diamondbacks		31-2518-1013-1517-813-17

Last 5 Matchups

dateopponentscorespreadover/undermoneyline
May 30thARIW 7-6-1.5 LO 7SEA -147
May 27th@ATHW 9-1-1.5 WO 9SEA -120
May 27th@ATHW 4-1-1.5 WU 9.5SEA -106
May 26th@ATHW 9-2-1.5 WO 10.5SEA -113
May 24th@KCL 6-8-1.5 LO 8.5KC -125

Mariners vs. Diamondbacks Injury Updates

Mariners Injuries

  • Miles Mastrobuoni
    3B

    Mastrobuoni is out with calf

    Out

Diamondbacks Injuries

  • Corbin Burnes
    SP

    Burnes is out with elbow

    Out

  • Blake Walston
    SP

    Walston is out with elbow

    Out

  • Tyler Locklear
    1B

    Locklear is out with elbow

    Out

  • Cristian Mena
    SP

    Mena is doubtful with shoulder

    Doubtful

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Diamondbacks vs. Mariners Odds Comparison

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Diamondbacks at Mariners Team Totals

MatchupOverUnder
Diamondbacks
31-25
N/A
N/A
Mariners
29-29
N/A
N/A