Braves vs Mariners Prediction, Odds & Player Prop Bets Today – MLB, May 4

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)
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  • The Mariners are -150 favorites vs the Braves
  • Braves vs Mariners Over / Under today: 7.5 Runs
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The Atlanta Braves (+125) visit T-Mobile Park to take on the Seattle Mariners (-150) on May 4, 2026. First pitch is scheduled for 9:40 pm in Seattle, WA.

This season, the Braves are 25-10 against the spread (ATS), while the Mariners are 12-23 ATS.

Braves vs Mariners Starting Pitchers Today:

  • Braves starting pitcher: JR Ritchie 1-0, 2.92 ERA
  • Mariners starting pitcher: Logan Gilbert 1-3, 3.99 ERA

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

SpreadOver / UnderMoneyline
Braves+1.5 -170O 7.5 -115+125
Mariners -1.5 +140U 7.5 -105-150

Braves vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Monday‘s MLB game with 56.5% 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 Braves players for Monday‘s game, looking at profitable historical betting trends:

Best Braves Player Prop Bets Today:

  • Matt Olson has hit the Total Bases Over in 20 of his last 25 games (+17.95 Units / 67% ROI)
  • Ozzie Albies has hit the RBIs Over in 16 of his last 25 away games (+17.25 Units / 69% ROI)
  • Matt Olson has hit the Hits Runs and RBIs Over in 21 of his last 25 games (+16.50 Units / 55% ROI)
  • Michael Harris II has hit the Home Runs Over in 3 of his last 7 away games (+15.40 Units / 220% ROI)
  • Matt Olson has hit the Runs Over in 19 of his last 25 games (+14.35 Units / 53% ROI)

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

Best Mariners Player Prop Best Bets Today:

  • Cole Young has hit the Singles Over in 16 of his last 25 games (+12.10 Units / 48% ROI)
  • Julio Rodriguez has hit the Hits Over in 13 of his last 15 games at home (+11.00 Units / 36% ROI)
  • Cole Young has hit the Walks Under in his last 10 games (+10.00 Units / 41% ROI)
  • Cal Raleigh has hit the Home Runs Over in 5 of his last 10 games (+9.80 Units / 98% ROI)
  • Josh Naylor has hit the Runs Under in 19 of his last 25 games (+9.05 Units / 21% ROI)
  • The Atlanta Braves have covered the Run Line in 36 of their last 45 away games (+30.45 Units / 54% ROI)
  • The Atlanta Braves have hit the Moneyline in 31 of their last 45 away games (+18.45 Units / 34% ROI)
  • The Atlanta Braves have hit the Team Total Over in 20 of their last 25 away games (+14.55 Units / 49% ROI)
  • The Atlanta Braves have hit the Game Total Over in 29 of their last 50 away games (+9.45 Units / 17% ROI)
  • The Atlanta Braves have hit the 1st Five Innings (F5) Team Total Over in 25 of their last 40 away games (+9.05 Units / 20% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 28 of their last 50 games at home (+7.75 Units / 9% ROI)
  • The Seattle Mariners have hit the Moneyline in 32 of their last 50 games at home (+7.10 Units / 8% ROI)
  • The Seattle Mariners have hit the Team Total Over in 16 of their last 25 games at home (+5.95 Units / 20% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Over in 13 of their last 20 games at home (+5.05 Units / 19% ROI)
  • The Seattle Mariners have hit the Game Total Over in 14 of their last 23 games at home (+4.10 Units / 16% ROI)

Braves Against the Spread (ATS) Record

Against the spread this season, the Braves are 24-11 against the Run Line (+18 Units / 47.62% ROI).

  • 25-10 when betting on the Moneyline for +11.35 Units / 22.39% ROI
  • 16-16 when betting on the total runs Over for -1.4 Units / -3.6% ROI
  • 16-16 when betting on the total runs Under for -1 Units / -2.62% ROI

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 12-23 against the Run Line (-9.25 Units / -24.57% ROI).

  • 16-19 when betting on the Moneyline for -9.4 Units / -19.11% ROI
  • 16-18 when betting on the total runs Over for -3.75 Units / -9.72% ROI
  • 18-16 when betting on the total runs Under for +0.55 Units / 1.43% ROI

Mariners vs Braves Home Run Prop Bets Today

Yes
Cal Raleigh +250
Matt Olson +375
Julio Rodriguez +390
Austin Riley +400
Michael Harris II +425

Mariners vs Braves Total Hits Prop Bets Today

Over Under
Julio Rodriguez 0.5 -235 0.5 +175
Michael Harris II 0.5 -210 0.5 +155
J.P. Crawford 0.5 -190 0.5 +140
Josh Naylor 0.5 -190 0.5 +140
Austin Riley 0.5 -165 0.5 +125

Mariners vs Braves Strikeout Prop Bets Today

Over Under
Mike Yastrzemski 0.5 -275 0.5 +200
Randy Arozarena 0.5 -250 0.5 +185
Michael Harris II 0.5 -235 0.5 +175
Drake Baldwin 0.5 -235 0.5 +175
Leo Rivas 0.5 -235 0.5 +175

Braves Keys to the Game vs. the Mariners

The Braves are 2-9 (.182) when trailing entering the 9th inning this season — 2nd best in MLB; League Avg: .056.

The Braves are 4-8 (.333) when trailing entering the 8th inning this season — best in MLB; League Avg: .111.

The Braves are 13-4 (.765) on the road this season — best in MLB; League Avg: .466.

The Braves are 25-10 (.714) this season — best in MLB; League Avg: .500.

Mariners Keys to the Game vs. the Braves

The Mariners are 5-2 (.714) vs top 10 scoring offenses this season Today, they face the Braves (first in runs scored).

The Mariners are just 15-28 (.349) vs top 10 scoring offenses since the 2025 season Today, they face the Braves (first in runs scored).

The Mariners are 43-32 (.573) vs the top 10 runs allowed teams since the 2025 season Today, they face Braves (third in runs allowed).

The Mariners are 80-5 (.941) when leading entering the 8th inning since the 2025 season — 4th best in MLB; League Avg: .906.

Braves hitters are slugging .351 with two-strikes this season — best in MLB.

Braves hitters have an OPS of .623 (708 PA’s) with two-strikes this season — best in MLB.

Braves hitters are slugging .468 against RHP this season — best in MLB.

The Braves are batting .276 this season — best in MLB.

The Mariners are batting just .198 against LHP this season — tied for 2nd lowest in MLB.

Mariners hitters are slugging just .339 against LHP this season — 5th lowest in MLB.

Mariners hitters are slugging .674 on the first pitch of at-bats since the 2025 season — 2nd best in MLB.

Mariners hitters have an OPS of just .621 (398 PA’s) against LHP this season — 4th lowest in MLB.

Braves pitchers have an ERA of 3.12 (150.0 IP) on the road this season — 2nd best in MLB.

Braves pitchers have an ERA of 3.19 (313.0 IP) this season — 2nd best in MLB.

Braves pitchers had a strikeout rate of 46% with two-strikes in the 2024 season — best in MLB; League Avg: 42%.

The Braves have allowed 3.47 runs per game (59/17) on the road this season — 3rd best in MLB.

Mariners pitchers have a first-pitch strike rate of 68% this season — highest in MLB.

Mariners pitchers have walked 7% of batters this season — best in MLB.

Mariners pitchers have thrown at least two strikes in their first three pitches to 71% of opposing batters this season — highest in MLB.

Mariners pitchers have walked 6% of batters when facing the leadoff batter in the inning this season — tied for 2nd best in MLB.

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.