Mariners vs Padres Prediction, Odds & Player Prop Bets Today – MLB, May 17

MLB betting odds, predictions and betting odds for today's games
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  • The Padres are -190 favorites vs the Mariners
  • Mariners vs Padres Over / Under today: 8 Runs
  • Mariners / Padres TV Channel: RTNW | PDTV | KFMB

The Seattle Mariners (+155) visit Petco Park to take on the San Diego Padres (-190) on Saturday, May 17, 2025. First pitch is scheduled for 8:40pm EDT in San Diego, CA.

This season, the Mariners are 24-19 against the spread (ATS), while the Padres are 26-17 ATS.

Mariners vs Padres Starting Pitchers Today:

  • Mariners starting pitcher: Emerson Hancock 1-2, 7.08 ERA
  • Padres starting pitcher: Nick Pivetta 5-2, 3.07 ERA

Mariners vs. Padres Odds, Run Line, Over/Under & Moneyline

SpreadOver / UnderMoneyline
Mariners+1.5 -130O 8.5 -118+155
Padres -1.5 +110U 8.5 -102-190

Mariners vs Padres Prediction for Today’s Game

Based on recent trends the model predicts the Padres will win Saturday‘s MLB game with 59.1% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.


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We’ve highlighted some favorite MLB player prop bets for Mariners players for Saturday‘s game, looking at profitable historical betting trends:

Best Mariners Player Prop Bets Today:

  • Emerson Hancock has hit the Earned Runs Under in his last 4 away games (+4.35 Units / 84% ROI)
  • Emerson Hancock has hit the Walks Allowed Over in his last 4 games (+4.00 Units / 69% ROI)
  • Emerson Hancock has hit the Pitching Outs Over in 3 of his last 4 games (+2.25 Units / 51% ROI)
  • Emerson Hancock has hit the Hits Allowed Under in 3 of his last 4 away games (+1.90 Units / 43% ROI)
  • Emerson Hancock has hit the Strikeouts Over in 3 of his last 5 games (+0.90 Units / 15% ROI)

And here are some favorite MLB player prop bets for Padres players for Saturday‘s game, looking at profitable historical betting trends:

Best Padres Player Prop Best Bets Today:

  • Nick Pivetta has hit the Earned Runs Under in 7 of his last 8 games at home (+6.50 Units / 67% ROI)
  • Nick Pivetta has hit the Walks Allowed Under in 6 of his last 7 games at home (+5.70 Units / 72% ROI)
  • Nick Pivetta has hit the Hits Allowed Under in 6 of his last 7 games at home (+5.40 Units / 67% ROI)
  • Nick Pivetta has hit the Strikeouts Over in 6 of his last 8 games at home (+3.55 Units / 31% ROI)
  • Nick Pivetta has hit the Pitching Outs Over in 3 of his last 4 games at home (+1.50 Units / 26% ROI)

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 22-21 against the Run Line (+1.3 Units / 2.41% ROI).

  • 24-19 when betting on the Moneyline for +0.7 Units / 1.23% ROI
  • 25-16 when betting on the total runs Over for +7.25 Units / 15.4% ROI
  • 16-25 when betting on the total runs Under for -11.82 Units / -24.85% ROI

Padres Against the Spread (ATS) Record

Against the spread this season, the Padres are 26-17 against the Run Line (+6.25 Units / 10.8% ROI).

  • 27-16 when betting on the Moneyline for +6.55 Units / 10.8% ROI
  • 19-23 when betting on the total runs Over for -5.85 Units / -12.58% ROI
  • 23-19 when betting on the total runs Under for +1.55 Units / 3.21% ROI

Padres vs Mariners Home Run Prop Bets Today

Over Under
Julio Rodriguez (SEA) 0.5 +325 0.5 -450
Fernando Tatis Jr. (SD) 0.5 +340 0.5 -450
Cal Raleigh (SEA) 0.5 +350 0.5 -450
Jackson Merrill (SD) 0.5 +400 0.5 -550
Randy Arozarena (SEA) 0.5 +425 0.5 -600

Padres vs Mariners Total Hits Prop Bets Today

Over Under
Julio Rodriguez (SEA) 0.5 -275 0.5 +195
Xander Bogaerts (SD) 0.5 -210 0.5 +155
Gavin Sheets (SD) 0.5 -175 0.5 +135
Jake Cronenworth (SD) 0.5 -175 0.5 +130
J.P. Crawford (SEA) 0.5 -160 0.5 +125

Padres vs Mariners RBI Prop Bets Today

Over Under
Jackson Merrill (SD) 0.5 +115 0.5 -150
Fernando Tatis Jr. (SD) 0.5 +135 0.5 -175
Manny Machado (SD) 0.5 +140 0.5 -190
Julio Rodriguez (SEA) 0.5 +150 0.5 -200
Luis Arraez (SD) 0.5 +160 0.5 -210

Padres vs Mariners Strikeout Prop Bets Today

Over Under
Nick Pivetta (SD) 5.5 -150 5.5 +115
Emerson Hancock (SEA) 3.5 +130 3.5 -175

Left-handed hitters have a line drive rate of 34% (47/138) against Emerson Hancock since last season — highest in MLB among starting pitchers with at least 82 total IP; League Avg: 24% — 0 Percentile.

Emerson Hancock has spotted his fastball inside for a strike 81% (83/102) of the time this season — highest in MLB among starting pitchers with at least 17 total IP; League Avg: 65% — 100th Percentile.

Emerson Hancock has allowed an OPS of 1.067 (25 PA’s) with two-strikes this month (2 games) — highest in MLB among starting pitchers with at least 5 total IP; League Avg: .517 — 0 Percentile.

Opponents are hitting .464 (13-for-28) against Emerson Hancock on low fastballs this season — 7th highest in MLB among starting pitchers with at least 17 total IP; League Avg: .277 — sixth Percentile.

Padres Starting Pitcher Stats & Trends

Nick Pivetta has allowed an OPS of just .242 (93 PA’s) with two-strikes this season — best among among NL Starters; League Avg: .492 — 100th Percentile.

Nick Pivetta has allowed an OBP of just .140 (93 PA’s) with two-strikes this season — 2nd best among qualified SPs in MLB; League Avg: .239 — 98th Percentile.

Nick Pivetta has allowed an OPS of just .242 (93 PA’s) with two-strikes this season — best among qualified SPs in MLB; League Avg: .498 — 100th Percentile.

Nick Pivetta has allowed a slugging percentage of .736 (356 Total Bases / 484 ABs) in non-two strike counts since the 2023 season — highest in MLB among starting pitchers with at least 146 total IP; League Avg: .568 — 0 Percentile.

Mariners Keys to the Game vs. the Padres

The Mariners are 3-16 (.158) when trailing entering the 9th inning this season — best in MLB; League Avg: .045.

The Mariners are 90-16 (.849) when they’ve had 10 or more hits since the 2023 season — best in MLB; League Avg: .738.

The Mariners are 139-22 (.863) when scoring 5 or more runs since the 2023 season — tied for 2nd best in MLB; League Avg: .795.

The Mariners were 10-56 (.152) when trailing entering the 8th inning in the 2024 season — 4th best in MLB; League Avg: .100.

Padres Keys to the Game vs. the Mariners

The Padres are 4-11 (.267) when trailing entering the 7th inning this season — 2nd best in MLB; League Avg: .121.

The Padres are just 0-13 (.000) when trailing entering the 9th inning this season — tied for lowest in MLB; League Avg: .045.

The Padres are 14-72 (.163) when trailing entering the 8th inning since last season — 2nd best in MLB; League Avg: .096.

The Padres were 55-38 (.591) after a win in the 2024 season — best in MLB; League Avg: .496.

The Mariners are batting just .212 when facing the starting pitcher for the 3rd time in a game since last season — lowest in MLB; League Avg: .262.

The Mariners batted just .207 when facing the starting pitcher for the 3rd time in a game in the 2024 season — lowest in MLB; League Avg: .263.

The Mariners are batting just .228 when facing the starting pitcher for the 3rd time in a game since the 2023 season — lowest in MLB; League Avg: .264.

The Mariners are batting just .214 at home since last season — lowest in MLB; League Avg: .246.

The Padres have scored first in 100% of their games against division opponents this season — highest in MLB; League Avg: 50%.

Padres hitters have struck out in just 18% of it’s PA’s since last season — best in MLB; League Avg: 22%.

Padres hitters struck out just 278 times in 1,617 PA’s (17%) against LHP in the 2024 season — best in MLB; League Avg: 23%.

Padres hitters struck out in just 18% of it’s PA’s in the 2024 season — best in MLB; League Avg: 23%.

Mariners pitchers have walked 6% of batters when facing the leadoff batter in the inning since last season — best in MLB; League Avg: 8%.

Mariners pitchers allowed an OBP of just .251 (1,441 PA’s) when facing the leadoff batter in the inning in the 2024 season — best in MLB; League Avg: .305.

The Mariners pitchers have allowed division opponents to score first in just 35% of their games since the 2023 season — lowest in MLB; League Avg: 50%.

Mariners pitchers walked 76 of 1,441 batters (5%) when facing the leadoff batter in the inning in the 2024 season — best in MLB; League Avg: 7%.

Opponents have a miss rate of 27% against Padres pitchers since the 2023 season — 5th best in MLB; League Avg: 26%.

Padres pitchers have an ERA of 3.52 (1670.0 IP) at home since the 2023 season — 2nd best in MLB; League Avg: 4.07.

Opponents had a groundball rate of 45% against Padres pitchers in 2023 — 3rd highest in MLB; League Avg: 43%.

The Padres have won 53% of games in which their opponents scored first this season — highest in MLB; League Avg: 33%.

More MLB Reading:


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Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.

Our BetMGM betting authors are experts who focus on individual game matchups & player prop bets with an emphasis on betting odds, lines & predictions.