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MLB · Final/10

Mariners Edge Diamondbacks in Thrilling Extra-Inning Victory

Friday, May 29, 2026, 10:10 PM ET · T-Mobile Park

Seattle Mariners 7, Arizona Diamondbacks 6, 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 Arizona Diamondbacks vs Seattle Mariners?

Seattle Mariners beat Arizona Diamondbacks 7-6 at T-Mobile Park on May 29, 2026.

Who was favored in Arizona Diamondbacks vs Seattle Mariners?

Seattle Mariners were the favorite at DraftKings, moneyline -144 (about 59% implied). The favorite won.

In a gripping contest that went into extra innings, the Seattle Mariners triumphed over the Arizona Diamondbacks with a final score of 7-6 at T-Mobile Park. This victory not only secured a series sweep for the Mariners, winning all three games against the Diamondbacks, but also highlighted their resilience in a tightly contested matchup. The Mariners improved their overall record to 30-29 following this win, while the Diamondbacks fell to 31-26.

The Mariners entered this game with a mixed recent form, having a record of 4-6 in their last ten games, but they were riding a two-game winning streak. They averaged 3.4 runs scored per game and allowed 3.3 runs during this stretch. Their home record stood at 1-3 in the last ten games, indicating some struggles at T-Mobile Park. In contrast, the Diamondbacks were in excellent form, boasting an 8-2 record over their last ten games with a scoring average of 6.1 runs per game and allowing 3.3 runs. They had been particularly strong on the road, holding a 4-1 record in their last five away games.

The Mariners' recent performances included notable victories against the Oakland Athletics, where they won 4-1 and 9-2 in their last two outings before facing the Diamondbacks. However, they had also experienced losses to teams like the Kansas City Royals and the Chicago White Sox, which showed their inconsistency. The Diamondbacks, on the other hand, had recently showcased their offensive prowess, with wins against the San Francisco Giants and the Colorado Rockies, including a 12-2 rout against the Giants.

In terms of head-to-head matchups, the Mariners had struggled against the Diamondbacks in their previous encounters, losing both games they played against them in the 2025 season, with scores of 3-10 and 4-8. This context added an extra layer of significance to the Mariners' victory, as they not only broke their losing streak against the Diamondbacks but also demonstrated their ability to perform under pressure.

Injuries played a role in the dynamics of the game, particularly for the Mariners, who were missing several key players. Brendan Donovan was on the 7-Day Injured List due to a concussion, while Cole Wilcox was on the 15-Day IL with an oblique injury. Additionally, Matt Brash and Will Wilson were both on the 60-Day IL, with Brash dealing with a lat issue and Wilson with a thumb injury. Emerson Hancock was also sidelined with a groin injury, impacting the Mariners' depth. The Diamondbacks were not without their own injury concerns, as Tommy Troy was on the 10-Day IL with a shoulder issue, and Ryne Nelson, Zac Gallen, and Corbin Burnes were all on the 60-Day IL due to elbow problems. Michael Soroka was also on the 15-Day IL with a shoulder injury, which limited the Diamondbacks' pitching options.

The betting market reflected the competitive nature of the matchup, with DraftKings pricing the Mariners as favorites at -144 on the money line, while the Diamondbacks were at +119. The spread was set at -1.5 for the Mariners, with a total of 7.0 runs for the game. The odds for the over were -107, and for the under, they were -112, indicating a closely matched game in the eyes of the bookmakers.

The game conditions at T-Mobile Park were conducive to a thrilling encounter, with both teams showcasing their offensive capabilities. The Mariners took an early lead, with key scoring plays including a home run by J.P. Crawford in the fifth inning that brought in two runs. However, the Diamondbacks fought back, with a notable home run from Geraldo Perdomo in the fourth inning, and they continued to apply pressure throughout the game.

As the game progressed, the tension mounted, particularly in the ninth inning when the Diamondbacks tied the game at 6-6, forcing extra innings. The Mariners managed to clinch the victory in the tenth inning, with Randy Arozarena hitting a double that scored Crawford, sealing the game for Seattle.

Viewers should have focused on the Mariners' ability to capitalize on their scoring opportunities and their resilience in the face of adversity, particularly given their injury challenges. The Diamondbacks' offensive strategy and their ability to respond to the Mariners' scoring also provided a compelling narrative throughout the game. The Mariners' victory not only highlighted their current form but also set the stage for future matchups as they continue to navigate the season.

Odds

BookSpreadTotalMoneyline
DraftKingsSEA -144 7 o -107 / u -112 Arizona Diamondbacks +119 · Seattle Mariners -144

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 Troy10-Day-ILShoulderArizona Diamondbacks
  • Ryne Nelson60-Day-ILElbowArizona Diamondbacks
  • Zac Gallen60-Day-ILElbowArizona Diamondbacks
  • Michael Soroka15-Day-ILShoulderArizona Diamondbacks
  • Corbin Burnes60-Day-ILElbowArizona Diamondbacks

Recent form

Seattle Mariners

Last 10: 4-6Streak W23.4 scored · 3.3 allowed per game1-3 at home

  • W4-1at AthleticsMay 27
  • W9-2at AthleticsMay 26
  • L6-8at Kansas City RoyalsMay 24
  • L0-5at Kansas City RoyalsMay 23
  • W2-0at Kansas City RoyalsMay 22
  • L1-2vs Chicago White SoxMay 20
  • W6-1vs Chicago White SoxMay 19
  • L3-8vs San Diego PadresMay 17
  • L0-2vs San Diego PadresMay 16
  • L3-4at Houston AstrosMay 14

Arizona Diamondbacks

Last 10: 8-2Streak W36.1 scored · 3.3 allowed per game4-1 away

  • W7-5at San Francisco GiantsMay 27
  • W6-2at San Francisco GiantsMay 25
  • W5-4vs Colorado RockiesMay 24
  • L2-3vs Colorado RockiesMay 23
  • W2-1vs Colorado RockiesMay 22
  • W5-3vs San Francisco GiantsMay 20
  • W12-2vs San Francisco GiantsMay 19
  • W8-6at Colorado RockiesMay 17
  • W9-1at Colorado RockiesMay 16
  • L5-6at Texas RangersMay 14

Standings

TeamGames behindLostStreakWin %Won
Los Angeles-57L2.59082
Arizona967W1.52574
San Diego9.567L2.52173
San Francisco24.582W1.41458
Colorado28.586W2.38654
Houston-69W1.50771
Texas271L1.49369
Seattle574W2.47166
Athletics1786W1.38654
Los Angeles1887L2.37953

How the scoring went

  1. 1st Inning0-1Crawford homered to right (379 feet).
  2. 3rd Inning0-3Rodríguez homered to left (384 feet), Crawford scored.
  3. 4th Inning1-3Perdomo homered to right (353 feet).
  4. 5th Inning1-5Crawford homered to center (417 feet), Pereda scored.
  5. 6th Inning3-5Moreno doubled to center, Carroll scored and Perdomo scored.
  6. 6th Inning4-5Vargas grounded into fielder's choice to first, Moreno scored, Waldschmidt out at second, Del Castillo to third.
  7. 6th Inning5-5Fernandez singled to right, Del Castillo scored, Vargas to third.
  8. 6th Inning5-6Raley homered to right (403 feet).
  9. 9th Inning6-6Vargas grounded into fielder's choice to first, Perdomo scored, Tawa to second, Moreno to third.
  10. 10th Inning6-7Arozarena doubled to center, Crawford scored, Naylor to third.

Win probability

Above the line favours Seattle Mariners, below favours Arizona Diamondbacks.

Venue

  • T-Mobile ParkSeattle, Washington
  • Attendance44198
  • OfficialsChris Guccione, David Rackley, Nestor Ceja, Louie Krupa

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