Arizona Diamondbacks vs Seattle Mariners Betting Pick & Prediction for 5/29

MLB game preview

The Arizona Diamondbacks will play the Seattle Mariners at T-Mobile Park. The game is set for Friday, May 29, 2026, at 10:10 PM. Fans can watch the game on KIRO.

The Diamondbacks come into this game with a record of 31-24. They have won their last five games. The Mariners hold a 28-29 record and are on a three-game win streak. The weather forecast mentions light rain, but the retractable roof at T-Mobile Park may mitigate its impact.

Arizona Diamondbacks Team Preview

The Arizona Diamondbacks have been on a winning streak. They have won their last five games, showing strong performances both at home and away. Their recent win against the San Francisco Giants ended with a score of 3-2.

Ketel Marte has been a key player for the Diamondbacks. He has a batting average of .276, with 9 home runs and 32 RBIs. Ildemaro Vargas also stands out with a .303 average and 35 RBIs.

On the pitching side, Zac Gallen will be starting in their next game. This season, he has a record of 3-4 with a 4.80 ERA. The Diamondbacks will look to continue their winning ways with Gallen on the mound.

Diamondbacks vs Mariners Game Day Info

  • Sport: MLB
  • Teams: Arizona Diamondbacks vs. Seattle Mariners
  • Venue: T-Mobile Park in Seattle, WA
  • Date: Friday, May 29, 2026
  • Betting Odds: Diamondbacks Moneyline +127, Mariners Moneyline -150

Seattle Mariners Team Preview

The Seattle Mariners are gearing up for their next game against the Arizona Diamondbacks. George Kirby is set to pitch with a 5-4 record and a 3.54 ERA. His WHIP stands at 1.21, and he has 55 strikeouts this season.

In recent games, the Mariners have been on a winning streak against the Athletics. They secured victories with scores of 9-1, 4-1, and 9-2. Julio Rodríguez and Colt Emerson have been key contributors at the plate.

Seattle’s team batting average is .230, placing them 15th in the league. They have hit 66 home runs, ranking 7th overall. The pitching staff has an ERA of 3.54, which is 5th best in the league.

BTB Betting Pick

The Mariners are favored to win with a moneyline of -150. Their pitching has an ERA of 3.54, ranked 5th, which is stronger compared to the Diamondbacks’ 4.07 ERA, ranked 16th. Given these stats, the Mariners are the pick to win the game with a projected score of Mariners 5, Diamondbacks 3.

The total for the game is set at 7.0 runs. The Mariners have a solid pitching staff, and the Diamondbacks rank 3rd in strikeouts. This suggests a lower scoring game. Therefore, the recommendation is to take the under 7.0 runs, with a projected total of 8 runs.