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MLB · Final

Athletics Edge Mariners in Close Contest at T-Mobile Park

Monday, April 20, 2026, 9:40 PM ET · T-Mobile Park

Athletics 6, Seattle Mariners 4, 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 Athletics vs Seattle Mariners?

Athletics beat Seattle Mariners 6-4 at T-Mobile Park on April 20, 2026.

Who was favored in Athletics vs Seattle Mariners?

Seattle Mariners were the favorite at DraftKings, moneyline -149 (about 60% implied). The underdog won.

In a tightly contested game at T-Mobile Park, the Oakland Athletics defeated the Seattle Mariners 6-4, clinching the series 2-1. This matchup was notable not only for the close score but also for the implications it held for both teams in the early part of the season. The Mariners, with a home record of 10-14, were looking to gain momentum, while the Athletics, holding a slightly better away record of 12-11, aimed to solidify their position in the league.

The Mariners entered the game having won their last match against the Texas Rangers, which ended in a 5-2 victory on April 19, 2026. However, their recent form showed a mixed bag, with a record of 4-6 over their last ten games, averaging 4.0 runs scored while allowing 4.3 runs per game. Their home performance was significantly better than their away games, as they had won 4 out of 5 at home but struggled with a 0-5 record on the road in their last five games.

On the other hand, the Athletics had been performing well recently, boasting a record of 7-3 in their last ten games, albeit on a two-game losing streak. They averaged 3.5 runs scored and allowed 3.8 runs per game during that stretch. Their away record was particularly impressive at 5-0, showcasing their ability to compete outside of their home park.

In terms of previous meetings, the Mariners and Athletics had faced each other ten times in the past season, with the Mariners holding a 4-6 record against the Athletics. Their last encounter prior to this game saw the Mariners winning 3-2 at home on August 23, 2025. However, the Athletics had also secured wins in other close matchups, indicating a competitive rivalry.

Injury concerns affected both teams going into this game. The Mariners had several players on the injured list, including Brendan Donovan (7-Day IL, concussion), Cole Wilcox (15-Day IL, oblique), Matt Brash (60-Day IL, lat), Will Wilson (60-Day IL, thumb), and Emerson Hancock (15-Day IL, groin). The Athletics had Tommy White listed as day-to-day with a back issue, while Joshua Kuroda-Grauer (60-Day IL, groin), Brooks Kriske (60-Day IL, shoulder), Shea Langeliers (10-Day IL, knee), and Nick Kurtz (60-Day IL, thumb) were also sidelined.

The betting market, as reported by DraftKings, had the Mariners at -149 on the money line, with a spread of -1.5 and a total set at 8.0 runs. The odds for the over were -112, while the under was at -108, reflecting expectations of a competitive game.

The game conditions were typical for a spring evening in Seattle, with the atmosphere charged as fans filled the stands, eager to support their home team. The Mariners started strong, with Naylor doubling to right field, allowing Rodríguez to score in the first inning, followed by Canzone hitting a home run in the second inning, putting the Mariners up 3-0.

However, the Athletics responded in the fourth inning with Cortes hitting a home run, narrowing the gap to 3-1. The sixth inning saw a surge from the Athletics as Kurtz and Langeliers both homered, bringing the score to 3-3. The game turned in the eighth inning when Muncy hit a sacrifice fly that allowed Soderstrom to score, followed by Butler's single that brought in two more runs, pushing the Athletics ahead 6-3.

The Mariners managed to score one more run in the ninth inning with Rivas doubling to right, allowing Young to score, but it was not enough to overcome the deficit. The final score was 6-4 in favor of the Athletics, marking a significant win for them as they continue to build on their early-season success.

Fans watching the game were treated to a showcase of power hitting, strategic plays, and the resilience of both teams. The Mariners will need to regroup and address their injury issues as they move forward in the season, while the Athletics will look to maintain their momentum.

Odds

BookSpreadTotalMoneyline
DraftKingsSEA -149 8 o -112 / u -108 Athletics +124 · Seattle Mariners -149

What these prices pay on $100 · What these numbers mean

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
  • Tommy WhiteDay-To-DayBackAthletics
  • Joshua Kuroda-Grauer60-Day-ILGroinAthletics
  • Brooks Kriske60-Day-ILShoulderAthletics
  • Shea Langeliers10-Day-ILKneeAthletics
  • Nick Kurtz60-Day-ILThumbAthletics

Recent form

Seattle Mariners

Last 10: 4-6Streak W14 scored · 4.3 allowed per game4-1 at home

  • W5-2vs Texas RangersApr 19
  • L0-5vs Texas RangersApr 18
  • L2-5at San Diego PadresApr 17
  • L6-7at San Diego PadresApr 16
  • L1-4at San Diego PadresApr 15
  • W6-2vs Houston AstrosApr 13
  • W8-7vs Houston AstrosApr 12
  • W9-6vs Houston AstrosApr 11
  • L2-3at Texas RangersApr 8
  • L1-2at Texas RangersApr 7

Athletics

Last 10: 7-3Streak L23.5 scored · 3.8 allowed per game5-0 away

  • L4-7vs Chicago White SoxApr 19
  • L2-9vs Chicago White SoxApr 18
  • W6-5vs Texas RangersApr 16
  • W2-1vs Texas RangersApr 15
  • L1-8vs Texas RangersApr 14
  • W1-0at New York MetsApr 12
  • W11-6at New York MetsApr 11
  • W4-0at New York MetsApr 10
  • W1-0at New York YankeesApr 9
  • W3-2at New York YankeesApr 8

Standings

TeamGames behindLostStreakWin %Won
Houston-69W1.50771
Texas271L1.49369
Seattle574W2.47166
Athletics1786W1.38654
Los Angeles1887L2.37953

How the scoring went

  1. 1st Inning0-1Raleigh homered to left center (382 feet).
  2. 1st Inning0-2Naylor doubled to right, Rodríguez scored.
  3. 2nd Inning0-3Canzone homered to right center (365 feet).
  4. 4th Inning1-3Cortes homered to right (379 feet).
  5. 6th Inning2-3Kurtz homered to center (416 feet).
  6. 6th Inning3-3Langeliers homered to center (432 feet).
  7. 8th Inning4-3Muncy hit sacrifice fly to right, Soderstrom scored, McNeil to second, Wilson to third.
  8. 8th Inning6-3Butler singled to right, Wilson scored and McNeil scored.
  9. 9th Inning6-4Rivas doubled to right, Young scored.

Win probability

Above the line favours Seattle Mariners, below favours Athletics.

Venue

  • T-Mobile ParkSeattle, Washington
  • Attendance20203
  • OfficialsMike Estabrook, Malachi Moore, Alfonso Marquez, Willie Traynor

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Fixture data from the league feeds. The report was written from the recorded facts for this game and nothing else.