Orioles vs Mariners Prediction, Odds & Player Prop Bets Today – MLB, Jul 3

Seattle Mariners' Julio Rodriguez watches his home run during the eighth inning of a baseball game against the San Diego Padres, Tuesday, June 6, 2023, in San Diego. (AP Photo/Gregory Bull)
(AP Photo/Gregory Bull)
  • The Orioles are +100 favorites vs the Mariners
  • Orioles vs Mariners Over / Under today: 7 Runs
  • Orioles / Mariners TV Channel: MAS2 | RTNW

The Baltimore Orioles (-105) visit T-Mobile Park to take on the Seattle Mariners (-115) on Wednesday, July 3, 2024. First pitch is scheduled for 10:10pm EDT in Seattle, WA.

This season, the Orioles are 54-31 against the spread (ATS), while the Mariners are 39-48 ATS.

Orioles vs Mariners Starting Pitchers Today:

  • Orioles starting pitcher: Dean Kremer 3-4, 4.27 ERA
  • Mariners starting pitcher: Logan Gilbert 5-4, 2.74 ERA

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

SpreadOver / UnderMoneyline
Orioles-1.5 +170O 7 -110-105
Mariners +1.5 -210U 7 -110-115

Orioles vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Orioles will win Wednesday‘s MLB game with 51.0% 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 Orioles players for Wednesday‘s game, looking at profitable historical betting trends:

Best Orioles Player Prop Bets Today:

  • Anthony Santander has hit the Home Runs Over in 13 of his last 32 games (+30.25 Units / 95% ROI)
  • Gunnar Henderson has hit the Hits Over in 22 of his last 27 games (+17.40 Units / 33% ROI)
  • Gunnar Henderson has hit the Total Bases Over in 20 of his last 27 games (+13.80 Units / 45% ROI)
  • Anthony Santander has hit the RBIs Over in 15 of his last 25 games (+13.05 Units / 52% ROI)
  • Gunnar Henderson has hit the Walks Over in 13 of his last 18 away games (+12.35 Units / 69% ROI)

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

Best Mariners Player Prop Best Bets Today:

  • Luke Raley has hit the Home Runs Over in 5 of his last 13 games at home (+15.60 Units / 120% ROI)
  • Julio Rodriguez has hit the Hits Under in 24 of his last 35 games (+15.00 Units / 23% ROI)
  • Julio Rodriguez has hit the Total Bases Under in 34 of his last 50 games (+12.60 Units / 18% ROI)
  • Josh Rojas has hit the Singles Under in 20 of his last 27 games (+11.90 Units / 35% ROI)
  • Logan Gilbert has hit the Pitching Outs Over in 13 of his last 14 games (+11.85 Units / 60% ROI)
  • The Baltimore Orioles have covered the Run Line in 44 of their last 76 games (+19.05 Units / 21% ROI)
  • The Baltimore Orioles have covered the 1st Five Innings (F5) Run Line in 45 of their last 70 games (+16.10 Units / 19% ROI)
  • The Baltimore Orioles have hit the Moneyline in 25 of their last 38 games (+8.85 Units / 16% ROI)
  • The Baltimore Orioles have hit the Team Total Over in 14 of their last 19 away games (+8.80 Units / 40% ROI)
  • The Baltimore Orioles have hit the 1st Five Innings (F5) Team Total Over in 27 of their last 44 games (+7.65 Units / 15% ROI)
  • The Seattle Mariners have hit the Game Total Under in 29 of their last 42 games at home (+15.60 Units / 33% ROI)
  • The Seattle Mariners have hit the Moneyline in 24 of their last 33 games at home (+12.70 Units / 27% ROI)
  • The Seattle Mariners have covered the Run Line in 19 of their last 33 games at home (+8.35 Units / 21% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 32 of their last 54 games (+7.75 Units / 12% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 19 of their last 33 games at home (+6.95 Units / 14% ROI)

Orioles Against the Spread (ATS) Record

Against the spread this season, the Orioles are 48-37 against the Run Line (+18.9 Units / 19.32% ROI).

  • 54-31 when betting on the Moneyline for +11.95 Units / 9.86% ROI
  • 43-31 when betting on the total runs Over for +9.4 Units / 10.23% ROI
  • 31-43 when betting on the total runs Under for -16.55 Units / -17.81% ROI

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 39-48 against the Run Line (-14.45 Units / -12.71% ROI).

  • 47-40 when betting on the Moneyline for -1.2 Units / -1.07% ROI
  • 34-49 when betting on the total runs Over for -18.85 Units / -20.1% ROI
  • 49-34 when betting on the total runs Under for +11.45 Units / 11.96% ROI

Mariners vs Orioles Home Run Prop Bets Today

Over Under
Cal Raleigh (SEA) 0.5 +310 0.5 -400
Gunnar Henderson (BAL) 0.5 +350 0.5 -450
Anthony Santander (BAL) 0.5 +400 0.5 -550
Jorge Polanco (SEA) 0.5 +425 0.5 -600
Adley Rutschman (BAL) 0.5 +450 0.5 -650

Mariners vs Orioles Total Hits Prop Bets Today

Over Under
Ryan O'Hearn (BAL) 0.5 -250 0.5 +190
Gunnar Henderson (BAL) 0.5 -250 0.5 +190
Adley Rutschman (BAL) 0.5 -225 0.5 +165
Jordan Westburg (BAL) 0.5 -210 0.5 +160
Julio Rodriguez (SEA) 0.5 -200 0.5 +155

Mariners vs Orioles RBI Prop Bets Today

Over Under
Cal Raleigh (SEA) 0.5 +155 0.5 -200
Anthony Santander (BAL) 0.5 +160 0.5 -210
Gunnar Henderson (BAL) 0.5 +165 0.5 -225
Ryan O'Hearn (BAL) 0.5 +175 0.5 -225
Adley Rutschman (BAL) 0.5 +185 0.5 -250

Mariners vs Orioles Strikeout Prop Bets Today

Over Under
Dean Kremer (BAL) 4.5 -160 4.5 +125
Logan Gilbert (SEA) 6.5 -105 6.5 -125

Dean Kremer has allowed a slugging percentage of .714 (25 Total Bases / 35 ABs) on inside fastballs this season — tied for 3rd highest in MLB among starting pitchers with at least 33 total IP; League Avg: .413 — third Percentile.

Opponents have a groundball batting average of just .108 (4 GB hits out of 37 GBs) against Dean Kremer with the shift this season — best in MLB among starting pitchers with at least 33 total IP; League Avg: .242 — 100th Percentile.

Opponents have a groundball batting average of just .140 (8 GB hits out of 57 GBs) against Dean Kremer this season — 3rd best in MLB among starting pitchers with at least 33 total IP; League Avg: .243 — 98th Percentile.

Dean Kremer has allowed 25 home runs at home since last season — most among pitchers in MLB — 100th Percentile.

Mariners Starting Pitcher Stats & Trends

Hitters batting in the top of the order have hit just .130 against Logan Gilbert this season — best among qualified SPs in MLB; League Avg: .246 — 100th Percentile.

Logan Gilbert has allowed an OBP of just .238 (425 PA’s) this season — best among qualified SPs in MLB; League Avg: .293 — 100th Percentile.

Logan Gilbert has allowed an OBP of just .174 (155 PA’s) versus the top of the order this season — best among qualified SPs in MLB; League Avg: .307 — 100th Percentile.

Logan Gilbert has allowed an OBP of just .230 (191 PA’s) vs left-handed batters this season — best among qualified SPs in MLB; League Avg: .303 — 100th Percentile.

Orioles Keys to the Game vs. the Mariners

The Orioles are 19-7 (.731) when tied entering the 7th inning since the 2023 season — best in MLB; League Avg: .500.

The Orioles are 56-43 (.566) after a loss as underdogs since the 2022 season — best in MLB; League Avg: .414.

The Orioles are 111-17 (.867) when scoring 5 or more runs since the 2023 season — best in MLB; League Avg: .787.

The Orioles are 95-58 (.621) after a win since the 2023 season — best in MLB; League Avg: .506.

Mariners Keys to the Game vs. the Orioles

The Mariners are 53-33 (.616) after a home loss since the 2022 season — 5th best in MLB; League Avg: .522.

The Mariners are 19-9 (.679) after a home win this season — 4th best in MLB; League Avg: .529.

The Mariners are 7-33 (.175) when trailing entering the 8th inning this season — 4th best in MLB; League Avg: .106.

The Mariners are 174-8 (.956) when leading entering the 8th inning since the 2022 season — best in MLB; League Avg: .905.

Orioles hitters have put just 35% of balls in play to the left side of the field since last season — 2nd lowest in MLB; League Avg: 39%.

Orioles hitters have an OPS of .820 (1,009 PA’s) in innings 7-9 this season — best in MLB; League Avg: .679.

Orioles hitters have 114 extra-base hits out of 275 total hits (41%) with two-strikes this season — best in MLB; League Avg: 31%.

Orioles hitters are slugging .274 on pitches out of the zone this season — best in MLB; League Avg: .210.

Mariners hitters have put just 32% of their swings in play this season — lowest in MLB; League Avg: 37%.

Mariners hitters have 16 extra-base hits out of 74 total hits (just 22%) when facing the starting pitcher for the 3rd time in a game this season — lowest in MLB; League Avg: 36%.

The Mariners are batting just .209 against LHP this season — lowest in MLB; League Avg: .248.

The Mariners are batting just .238 against LHP since last season — 3rd lowest in MLB; League Avg: .252.

The Orioles have won 48% of road games in which their opponents scored first since last season — highest in MLB; League Avg: 28%.

Orioles pitchers have walked 246 of 3,662 batters (7%) when facing the leadoff batter in the inning since the 2022 season — tied for 4th best in MLB; League Avg: 8%.

The Orioles won 53% of road games in which their opponents scored first in the 2023 season — highest in MLB; League Avg: 29%.

Orioles pitchers have an ERA of 2.61 (234.1 IP) against division opponents this season — 2nd best in MLB; League Avg: 4.13.

Mariners pitchers have walked 39 of 771 batters (5%) when facing the leadoff batter in the inning this season — best in MLB; League Avg: 7%.

Mariners pitchers have walked 231 of 3,675 batters (6%) when facing the leadoff batter in the inning since the 2022 season — tied for 2nd best in MLB; League Avg: 8%.

The Mariners pitchers have allowed division opponents to score first in just 18% of their games this season — lowest in MLB; League Avg: 50%.

The Mariners have allowed 2.91 runs per game (125/43) at home this season — best in MLB; League Avg: 4.35.

Mariners vs. Orioles Injuries Tonight That May Affect Prop Bets 

  • Jackson Kowar (Seattle Mariners): Elbow, 60-Day IL
  • Mitch Garver (Seattle Mariners): Back, Day-To-Day
  • Sam Haggerty (Seattle Mariners): Undisclosed, 10-Day IL
  • Gregory Santos (Seattle Mariners): Lat, 15-Day IL
  • Eduard Bazardo (Seattle Mariners): Shoulder, 15-Day IL
  • Bryan Woo (Seattle Mariners): Elbow, 15-Day IL
  • Matt Brash (Seattle Mariners): Elbow, 15-Day IL
  • Felix Bautista (Baltimore Orioles): Elbow, 60-Day IL
  • Terrin Vavra (Baltimore Orioles): Shoulder, Day-To-Day
  • John Means (Baltimore Orioles): Forearm, 15-Day IL
  • Kyle Bradish (Baltimore Orioles): Elbow, 15-Day IL
  • Cionel Perez (Baltimore Orioles): Oblique, 15-Day IL

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Our BetMGM editors and authors are sports experts with a wealth of knowledge of the sports industry at all levels. Their coverage includes sports news, previews and predictions, fun facts, and betting.