Orioles Defeat Mariners 5-3 in Seattle Showdown
Wednesday, June 17, 2026, 9:40 PM ET · T-Mobile Park
Baltimore Orioles 5, Seattle Mariners 3, final. Our MLB picks are sealed as a hash before kickoff and settled in public, losses included.
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Quick answers
Who won Baltimore Orioles vs Seattle Mariners?
Baltimore Orioles beat Seattle Mariners 5-3 at T-Mobile Park on June 17, 2026.
Who was favored in Baltimore Orioles vs Seattle Mariners?
Seattle Mariners were the favorite at DraftKings, moneyline -137 (about 58% implied). The underdog won.
The Baltimore Orioles secured a 5-3 victory over the Seattle Mariners at T-Mobile Park, concluding a three-game series in which the Mariners won two games. This matchup was significant as it showcased the competitive nature of both teams, with the Mariners holding a home record of 38-37 and the Orioles at 35-40 on the season. The win for the Orioles marked a much-needed boost as they continue to navigate a challenging stretch of games.
In terms of recent form, the Mariners entered this game with a record of 5-5 over their last ten games, averaging 4.4 runs scored and 4.8 runs allowed. They had just come off a win against the Orioles the previous day, where they triumphed 3-1. However, their recent performances have been inconsistent, highlighted by losses to the Washington Nationals in their previous away series. The Mariners' home record has been slightly better than their away performance, as they have managed to secure a winning record at T-Mobile Park.
Conversely, the Orioles have struggled recently, posting a 3-7 record in their last ten games and entering the matchup on a three-game losing streak. They averaged 4.3 runs scored and allowed 5.1 runs during this stretch. The Orioles' recent games included a series against the San Diego Padres, where they faced significant challenges, managing only one win in their last four outings. Their away form has been particularly poor, with an 0-3 record in their last three away games leading up to this contest.
The head-to-head record between these teams has been competitive, with the Mariners holding a slight edge at 6-4 over their last ten meetings. This series was particularly notable, as the Mariners had previously lost two consecutive games to the Orioles before winning the first game of this series. The last few encounters have been tightly contested, with both teams showing flashes of brilliance.
In terms of injuries, the Mariners were without several key players, including Brendan Donovan, Cole Wilcox, Matt Brash, Will Wilson, and Emerson Hancock, all of whom were on the injured list. The Orioles also faced challenges, missing Tyler O'Neill, Felix Bautista, Christian Franklin, Ryan Helsley, and Ryan Mountcastle due to various injuries. These absences have impacted both teams' rosters and their overall performance on the field.
The betting odds from DraftKings reflected the competitive nature of the matchup, with the Mariners listed at -137 on the moneyline, while the Orioles were at +114. The total for the game was set at 7.5 runs, with the spread at -1.5 for the Mariners. These odds indicated a closely contested game, which ultimately played out as expected.
Weather conditions at T-Mobile Park were conducive to baseball, with no significant factors reported that would affect gameplay. The field was in good condition, allowing both teams to showcase their skills effectively.
Key moments in the game included a home run by Gunnar Henderson in the third inning, which put the Orioles ahead 2-0. The Mariners responded with a run in the fourth inning, but the Orioles extended their lead with additional runs in the sixth and seventh innings. The Mariners made a late push with two runs in the ninth inning, but it was not enough to overcome the deficit.
Overall, this game illustrated the ongoing struggles of the Orioles and Mariners as they both look to improve their standings in the league. The Orioles' victory not only provided a much-needed win but also highlighted their potential to compete against tough opponents. As the season progresses, both teams will need to address their injury concerns and find consistency in their performances to make a push for the playoffs.
Odds
| Book | Spread | Total | Moneyline |
|---|---|---|---|
| DraftKings | SEA -137 | 7.5 o -108 / u -112 | Baltimore Orioles +114 · Seattle Mariners -137 |
Injury report
- Brendan Donovan7-Day ILConcussionSeattle Mariners
- Cole Wilcox15-Day-ILObliqueSeattle Mariners
- Matt Brash60-Day-ILLatSeattle Mariners
- Will Wilson60-Day-ILThumbSeattle Mariners
- Emerson Hancock15-Day-ILGroinSeattle Mariners
- Tyler O'Neill10-Day-ILShoulderBaltimore Orioles
- Felix Bautista60-Day-ILShoulderBaltimore Orioles
- Christian Franklin10-Day-ILHandBaltimore Orioles
- Ryan Helsley60-Day-ILElbowBaltimore Orioles
- Ryan Mountcastle60-Day-ILObliqueBaltimore Orioles
Recent form
Seattle Mariners
Last 10: 5-5Streak W14.4 scored · 4.8 allowed per game1-0 at home
- W3-1vs Baltimore OriolesJun 17
- L1-10at Washington NationalsJun 14
- L3-8at Washington NationalsJun 13
- W10-2at Washington NationalsJun 12
- L5-7at Baltimore OriolesJun 11
- L2-7at Baltimore OriolesJun 10
- W6-5at Baltimore OriolesJun 9
- W6-3at Baltimore OriolesJun 8
- L4-5at Detroit TigersJun 7
- W4-0at Detroit TigersJun 6
Baltimore Orioles
Last 10: 3-7Streak L34.3 scored · 5.1 allowed per game0-3 away
- L1-3at Seattle MarinersJun 17
- L2-5vs San Diego PadresJun 14
- L3-9vs San Diego PadresJun 13
- W7-3vs San Diego PadresJun 12
- W7-5vs Seattle MarinersJun 11
- W7-2vs Seattle MarinersJun 10
- L5-6vs Seattle MarinersJun 9
- L3-6vs Seattle MarinersJun 8
- L4-6at Toronto Blue JaysJun 7
- L4-6at Toronto Blue JaysJun 6
Standings
| Team | Games behind | Lost | Streak | Win % | Won |
|---|---|---|---|---|---|
| Tampa Bay | - | 56 | L1 | .597 | 83 |
| New York | 3.5 | 60 | W2 | .571 | 80 |
| Boston | 8.5 | 65 | L2 | .536 | 75 |
| Toronto | 14.5 | 71 | W1 | .493 | 69 |
| Baltimore | 14.5 | 71 | L2 | .493 | 69 |
| Houston | - | 69 | W1 | .507 | 71 |
| Texas | 2 | 71 | L1 | .493 | 69 |
| Seattle | 5 | 74 | W2 | .471 | 66 |
| Athletics | 17 | 86 | W1 | .386 | 54 |
| Los Angeles | 18 | 87 | L2 | .379 | 53 |
How the scoring went
- 3rd Inning2-0Henderson homered to right center (370 feet), Alexander scored.
- 4th Inning2-1Canzone singled to center, Rodríguez scored.
- 6th Inning3-1Taveras tripled to center, Alonso scored.
- 7th Inning4-1Ward grounded into double play, third to second to first, Holliday scored, Alexander out at second.
- 9th Inning5-1Holliday homered to center (399 feet).
- 9th Inning5-2Canzone homered to right (374 feet).
- 9th Inning5-3Young homered to right (375 feet).
Win probability
Above the line favours Seattle Mariners, below favours Baltimore Orioles.
Venue
- T-Mobile ParkSeattle, Washington
- Attendance28068
- OfficialsTodd Tichenor, Tyler Jones, Clint Vondrak, Adam Hamari
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- Mariners Secure Series Win Over OriolesJun 16, 2026
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