Pirates vs Mariners Prediction, Odds & Player Prop Bets Today – MLB, Jul 5

Seattle Mariners left fielder Randy Arozarena throws to the infield during the third inning of a spring training baseball game against the Colorado Rockies Sunday, March 2, 2025, in Scottsdale, Ariz.
(AP Photo/Ross D. Franklin)
  • The Mariners are -185 favorites vs the Pirates
  • Pirates vs Mariners Over / Under today: 7.5 Runs
  • Pirates / Mariners TV Channel: FS1 | RTNW | SNPT

The Pittsburgh Pirates (+145) visit T-Mobile Park to take on the Seattle Mariners (-175) on Saturday, July 5, 2025. First pitch is scheduled for 10:10pm EDT in Seattle, WA, WA.

This season, the Pirates are 38-51 against the spread (ATS), while the Mariners are 38-49 ATS.

Pirates vs Mariners Starting Pitchers Today:

  • Pirates starting pitcher: Michael Burrows 1-2, 4.20 ERA
  • Mariners starting pitcher: Luis Castillo 0-0, 7.05 ERA

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

SpreadOver / UnderMoneyline
Pirates+1.5 -155O 7 +105+145
Mariners -1.5 +125U 7 -125-175

Pirates vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Saturday‘s MLB game with 61.4% 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 Pirates players for Saturday‘s game, looking at profitable historical betting trends:

Best Pirates Player Prop Bets Today:

  • Henry Davis has hit the Singles Under in his last 5 away games (+5.00 Units / 49% ROI)
  • Henry Davis has hit the Hits Runs and RBIs Under in his last 4 away games (+4.35 Units / 93% ROI)
  • Henry Davis has hit the Hits Under in 6 of his last 8 games (+4.20 Units / 47% ROI)
  • Henry Davis has hit the Total Bases Under in 6 of his last 8 games (+4.20 Units / 47% ROI)

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

Best Mariners Player Prop Best Bets Today:

  • Dominic Canzone has hit the Home Runs Over in 4 of his last 10 games (+11.95 Units / 120% ROI)
  • Jorge Polanco has hit the Runs Under in 7 of his last 8 games at home (+5.25 Units / 34% ROI)
  • Jorge Polanco has hit the Hits Runs and RBIs Under in 6 of his last 7 games at home (+5.05 Units / 56% ROI)
  • Jorge Polanco has hit the Total Bases Under in 5 of his last 7 games at home (+4.05 Units / 51% ROI)
  • Luis Castillo has hit the Walks Allowed Over in his last 4 games (+4.00 Units / 66% ROI)

Pirates Against the Spread (ATS) Record

Against the spread this season, the Pirates are 44-44 against the Run Line (-5.5 Units / -4.84% ROI).

  • 38-51 when betting on the Moneyline for -7.45 Units / -7.64% ROI
  • 36-50 when betting on the total runs Over for -17.7 Units / -18.25% ROI
  • 50-36 when betting on the total runs Under for +9.8 Units / 10.14% ROI

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 38-49 against the Run Line (-13.2 Units / -12.32% ROI).

  • 46-42 when betting on the Moneyline for -7.5 Units / -6.55% ROI
  • 47-37 when betting on the total runs Over for +7.65 Units / 8.04% ROI
  • 37-47 when betting on the total runs Under for -15.87 Units / -16.47% ROI

Mariners vs Pirates Home Run Prop Bets Today

Over Under
Cal Raleigh (SEA) 0.5 +210 0.5 -275
Oneil Cruz (PIT) 0.5 +400 0.5 -550
Randy Arozarena (SEA) 0.5 +425 0.5 -600
Jorge Polanco (SEA) 0.5 +450 0.5 -625
Luke Raley (SEA) 0.5 +475 0.5 -650

Mariners vs Pirates Total Hits Prop Bets Today

Over Under
Nick Gonzales (PIT) 0.5 -210 0.5 +160
J.P. Crawford (SEA) 0.5 -210 0.5 +155
Bryan Reynolds (PIT) 0.5 -210 0.5 +160
Jorge Polanco (SEA) 0.5 -190 0.5 +140
Cal Raleigh (SEA) 0.5 -185 0.5 +140

Mariners vs Pirates RBI Prop Bets Today

Over Under
Cal Raleigh (SEA) 0.5 +120 0.5 -160
Jorge Polanco (SEA) 0.5 +165 0.5 -220
Oneil Cruz (PIT) 0.5 +185 0.5 -250
Randy Arozarena (SEA) 0.5 +185 0.5 -250
Dominic Canzone (SEA) 0.5 +195 0.5 -275

Mariners vs Pirates Strikeout Prop Bets Today

Over Under
Luis Castillo (SEA) 5.5 -130 5.5 +100
Mike Burrows (PIT) 4.5 -115 4.5 -110

Opponents have a line drive rate of 33% (33/101) against Michael Burrows this season — highest in MLB among starting pitchers with at least 34 total IP; League Avg: 24% — 0 Percentile.

Michael Burrows has thrown at least two strikes in his first three pitches to 55% (59/108) of opposing batters this season — 3rd lowest in MLB among starting pitchers with at least 34 total IP; League Avg: 64% — first Percentile.

Michael Burrows has thrown off-speed pitches 58% of the time (323/558) this season — 13th highest in MLB among starting pitchers with at least 34 total NonFB; League Avg: 45% — 92nd Percentile.

Opponents have a chase percentage of just 24% (64/269) against Michael Burrows this season — tied for 7th lowest in MLB among starting pitchers with at least 34 total IP; League Avg: 28% — sixth Percentile.

Mariners Starting Pitcher Stats & Trends

Luis Castillo has thrown fastballs 67% of the time (1,087/1,621) this season — 2nd highest among qualified SPs in MLB; League Avg: 48% — 98th Percentile.

Luis Castillo has thrown fastballs 69% of the time (562/810) against right-handed batters this season — 3rd highest among qualified SPs in MLB; League Avg: 49% — 97th Percentile.

Luis Castillo has thrown fastballs 66% of the time (337/513) with two-strikes this season — highest among qualified SPs in MLB; League Avg: 43% — 100th Percentile.

Luis Castillo has thrown fastballs 68% of the time (1,589/2,337) against right-handed batters since last season — highest among among AL Starters; League Avg: 47% — 100th Percentile.

Pirates Keys to the Game vs. the Mariners

The Pirates are just 12-30 (.286) on the road this season — 3rd lowest in MLB; League Avg: .451.

The Pirates are just 15-48 (.238) when their opponents score in the first inning since last season — 2nd lowest in MLB; League Avg: .361.

The Pirates are just 10-67 (.130) when allowing 10 or more hits since last season — 2nd lowest in MLB; League Avg: .251.

The Pirates are just 1-17 (.056) when allowing 2 or more home runs this season — 2nd lowest in MLB; League Avg: .286.

Mariners Keys to the Game vs. the Pirates

The Mariners are 34-1 (.971) when leading entering the 8th inning this season — tied for 3rd best in MLB; League Avg: .908.

The Mariners are 20-16 (.556) vs the top 10 runs allowed teams this season They play the Pirates (Ranks fifth runs allowed) today.

The Mariners are 4-35 (.103) when trailing entering the 9th inning this season — 2nd best in MLB; League Avg: .043.

The Mariners are 91-12 (.883) when scoring 5 or more runs since last season — best in MLB; League Avg: .802.

Pirates hitters are slugging just .316 on the road this season — lowest in MLB; League Avg: .392.

The Pirates are batting just .206 when leading off an inning this season — lowest in MLB; League Avg: .247.

Pirates hitters are slugging just .336 against LHP this season — 3rd lowest in MLB; League Avg: .382.

Pirates hitters have struck out in 38% of their PA’s in lefty-lefty matchups this season — highest in MLB; League Avg: 24%.

Mariners hitters have an OBP of .343 (1,819 PA’s) on the road this season — tied for best in MLB; League Avg: .310.

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 .222 when facing the starting pitcher for the 3rd time in a game since last season — lowest in MLB; League Avg: .260.

Mariners hitters are slugging .720 on the first pitch of at-bats this season — 2nd best in MLB; League Avg: .580.

The Pirates have allowed 2.75 runs per game (33/12) over the last 14 days — best in MLB; League Avg: 4.61.

Pirates pitchers have walked 6% of batters when facing the leadoff batter in the inning this season — tied for 2nd best in MLB; League Avg: 8%.

Pirates pitchers have won only 0% of games in which they have allowed their opponent to score in three different innings on the road this season — lowest in MLB; League Avg: 26%.

Batters facing the Pirates pitchers have struck out on pitches in the zone 54% of the time this season — 3rd highest in MLB; League Avg: 50%. this season — 3rd highest in MLB; League Avg: 50%.

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

The Mariners pitchers have allowed division opponents to score first in just 30% of their games since last season — lowest in MLB; League Avg: 50%.

Mariners pitchers have walked 7% of batters since last season — best in MLB; League Avg: 8%.

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%.

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.