Orioles vs Mariners Prediction, Odds & Player Prop Bets Today – MLB, Jun 16

Seattle Mariners' Julio Rodriguez reacts after the umpires confirmed a challenged call, ruling him out for fan interference on a foul ball during the eighth inning of the team's baseball game against the Oakland Athletics, Tuesday, May 23, 2023, in Seattle.
(AP Photo/Caean Couto)
Sportsbook PromosNew Player Offer
  • The Mariners are -155 favorites vs the Orioles
  • Orioles vs Mariners Over / Under today: 7.5 Runs
  • Orioles / Mariners TV Channel: MASN | MRTV

The Baltimore Orioles (+125) visit T-Mobile Park to take on the Seattle Mariners (-155) on June 16, 2026. First pitch is scheduled for 9:40 pm in Seattle, WA.

This season, the Orioles are 34-39 against the spread (ATS), while the Mariners are 28-45 ATS.

Orioles vs Mariners Starting Pitchers Today:

  • Orioles starting pitcher: Brandon Young 5-1, 3.07 ERA
  • Mariners starting pitcher: Logan Gilbert 4-4, 3.60 ERA

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

SpreadOver / UnderMoneyline
Orioles+1.5 -170O 7.5 -115+125
Mariners -1.5 +140U 7.5 -105-155

Orioles vs Mariners Prediction for Today’s Game

Based on recent trends the model predicts the Mariners will win Tuesday‘s MLB game with 55.3% confidence, factoring in game simulations, recent player performances, starting pitchers and injuries.


Bet now on Orioles vs Mariners and all games with BetMGM


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

Best Orioles Player Prop Bets Today:

  • Colton Cowser has hit the Home Runs Over in 3 of his last 6 away games (+16.50 Units / 275% ROI)
  • Pete Alonso has hit the Hits Over in 19 of his last 25 away games (+11.05 Units / 25% ROI)
  • Adley Rutschman has hit the Walks Over in 12 of his last 20 games (+10.95 Units / 55% ROI)
  • Gunnar Henderson has hit the RBIs Under in 17 of his last 20 away games (+10.50 Units / 22% ROI)
  • Leody Taveras has hit the Hits Runs and RBIs Over in 14 of his last 20 away games (+9.20 Units / 41% ROI)

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

Best Mariners Player Prop Best Bets Today:

  • Colt Emerson has hit the Home Runs Over in 4 of his last 10 games (+23.90 Units / 239% ROI)
  • Cole Young has hit the Runs Under in 18 of his last 20 games at home (+13.85 Units / 31% ROI)
  • Cole Young has hit the Singles Over in 16 of his last 20 games (+12.70 Units / 54% ROI)
  • Cole Young has hit the Hits Over in 16 of his last 20 games (+11.30 Units / 33% ROI)
  • Victor Robles has hit the Hits Runs and RBIs Under in 14 of his last 20 games (+8.05 Units / 33% ROI)
  • The Baltimore Orioles have hit the Game Total Over in 16 of their last 23 away games (+9.40 Units / 37% ROI)
  • The Baltimore Orioles have hit the 1st Five Innings (F5) Team Total Under in 22 of their last 35 games (+9.30 Units / 24% ROI)
  • The Baltimore Orioles have hit the Team Total Over in 15 of their last 21 games (+8.30 Units / 32% ROI)
  • The Baltimore Orioles have covered the Run Line in 14 of their last 23 games (+5.45 Units / 17% ROI)
  • The Baltimore Orioles have hit the Moneyline in 13 of their last 23 games (+2.05 Units / 8% ROI)
  • The Seattle Mariners have hit the Game Total Over in 9 of their last 12 games (+7.05 Units / 54% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Team Total Under in 11 of their last 16 games at home (+6.20 Units / 32% ROI)
  • The Seattle Mariners have covered the 1st Five Innings (F5) Run Line in 12 of their last 19 games (+4.80 Units / 23% ROI)
  • The Seattle Mariners have hit the Moneyline in 6 of their last 7 games at home (+4.60 Units / 46% ROI)
  • The Seattle Mariners have hit the 1st Five Innings (F5) Moneyline in 11 of their last 19 games (+4.60 Units / 18% ROI)

Orioles Against the Spread (ATS) Record

Against the spread this season, the Orioles are 35-38 against the Run Line (-4.6 Units / -4.85% ROI).

  • 34-39 when betting on the Moneyline for -9.35 Units / -10.97% ROI
  • 42-28 when betting on the total runs Over for +11.1 Units / 13.76% ROI
  • 28-42 when betting on the total runs Under for -17.95 Units / -22.44% ROI

Mariners Against the Spread (ATS) Record

Against the spread this season, the Mariners are 28-45 against the Run Line (-10 Units / -13.01% ROI).

  • 37-36 when betting on the Moneyline for -10.45 Units / -10.48% ROI
  • 36-34 when betting on the total runs Over for -1.1 Units / -1.37% ROI
  • 34-36 when betting on the total runs Under for -5.5 Units / -6.84% ROI

Mariners vs Orioles Home Run Prop Bets Today

Yes
Cal Raleigh +270
Pete Alonso +325
Luke Raley +375
Julio Rodriguez +390
Josh Naylor +450

Mariners vs Orioles Total Hits Prop Bets Today

Over Under
Julio Rodriguez 0.5 -235 0.5 +175
Josh Naylor 0.5 -220 0.5 +160
Cole Young 0.5 -210 0.5 +155
Gunnar Henderson 0.5 -190 0.5 +140
Pete Alonso 0.5 -185 0.5 +135

Mariners vs Orioles Strikeout Prop Bets Today

Over Under
Cal Raleigh 0.5 -275 0.5 +195
Leody Taveras 0.5 -275 0.5 +195
Blaze Alexander 0.5 -250 0.5 +180
Luke Raley 0.5 -250 0.5 +185
Pete Alonso 0.5 -235 0.5 +175

Orioles Keys to the Game vs. the Mariners

The Orioles are just 6-32 (.158) when scoring 4 or fewer runs this season — 2nd lowest in MLB; League Avg: .272.

The Orioles are just 12-20 (.375) on the road this season — 5th lowest in MLB; League Avg: .468.

The Orioles are just 6-11 (.353) when tied entering the 8th inning since the 2025 season — 3rd lowest in MLB; League Avg: .500.

The Orioles are just 17-66 (.205) when allowing 2 or more home runs since the 2025 season — 4th lowest in MLB; League Avg: .300.

Mariners Keys to the Game vs. the Orioles

The Mariners are 14-8 (.636) vs top 10 scoring offenses this season Today, they face the Orioles (eighth in runs scored).

The Mariners are 24-11 (.686) vs the bottom 10 runs allowed teams this season Today, they face the Orioles (26th runs allowed).

The Mariners are 21-5 (.808) when they’ve hit 2 or more home runs this season — 5th best in MLB; League Avg: .704.

The Mariners are 25-15 (.625) when tied entering the 7th inning since the 2025 season — tied for 2nd best in MLB; League Avg: .500.

Orioles hitters are slugging just .453 on the first pitch of at-bats this season — 2nd lowest in MLB.

Orioles hitters have struck out in 25% of their PA’s against LHP this season — 4th highest in MLB.

The Orioles are batting just .297 on the first pitch of at-bats this season — 4th lowest in MLB.

Orioles hitters have chased 36% of pitches out of the zone with two-strikes this season — 3rd lowest in MLB.

Mariners hitters have an OPS of just .632 (787 PA’s) against LHP this season — lowest in MLB.

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

The Mariners are batting just .214 against LHP this season — lowest in MLB.

Mariners hitters have an OPS of just .657 (866 PA’s) in innings 7-9 this season — 4th lowest in MLB.

Orioles pitchers have an ERA of 5.52 (272.1 IP) on the road this season — 2nd highest in MLB.

The Orioles have allowed 5.75 runs per game (184/32) on the road this season — 2nd highest in MLB.

Orioles pitchers have a strikeout rate of just 20% this season — tied for 4th lowest in MLB.

The Orioles have allowed 2.95 runs per game (215/73) in the first 5 innings this season — 3rd highest in MLB.

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

Mariners pitchers have a first-pitch strike rate of 67% this season — highest in MLB.

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

Mariners pitchers have thrown at least two strikes in their first three pitches to 69% of opposing batters this season — highest in MLB.

More MLB Reading:


Bet now on Orioles vs Mariners and all games with BetMGM


Bet on MLB Odds at BetMGM

Sportsbook promos are always available at BetMGM. For new customers, check out the sportsbook welcome offer and BetMGM Refer a Friend. For existing customers, there are Odds Boosts, Parlay Boosts, contests and more.

The content provided in this blog is intended for entertainment purposes only. All views and opinions expressed are the authors and reflect their individual perspectives on sports, betting, and related topics. This content should not be considered professional betting advice or the official views of BetMGM LLC. Please gamble responsibly. If you or someone you know is experiencing issues related to gambling, seek help from a licensed health professional. This blog is not liable for any losses, damages, or consequences resulting from betting activities.

About the Author Read More @BETMGM

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.