Seattle Mariners vs Tampa Bay Rays Betting Pick & Prediction for 7/12

The Seattle Mariners will visit the Tampa Bay Rays at Tropicana Field on Sunday, July 12, 2026. The game is set for 1:40 PM and will be broadcast on KIRO. The Mariners enter with a 47-49 record, sitting second in the AL West. They are on a five-game losing streak and have gone 4-6 in their last ten games.
The Rays, leading the AL East, have a 56-37 record. They have won their last two games and are 6-4 over their last ten. Emerson Hancock will start for the Mariners, holding a 6-4 record and a 3.23 ERA this season. Ian Seymour will pitch for the Rays, with a 6-1 record and a 4.11 ERA. The game will be played indoors, so the weather will not impact play.
Seattle Mariners Team Preview
The Seattle Mariners have been struggling in their recent games. They have lost five consecutive games, with their most recent against the Tampa Bay Rays. In these games, they have had trouble scoring, averaging just over two runs per game.
Despite the struggles, Dominic Canzone has been a bright spot for the team. He leads the Mariners with 15 home runs and holds a .264 batting average. Cole Young has also contributed with 11 home runs and a .253 average.
On the pitching side, Emerson Hancock is set to start the next game. He has a record of 6-4 this season with a 3.23 ERA. Hancock will look to end the Mariners’ losing streak and put up a strong performance against the Rays.
Mariners vs Rays Game Day Info
- Sport: MLB
- Teams: Seattle Mariners vs. Tampa Bay Rays
- Venue: Tropicana Field in St. Petersburg, FL
- Date: Sunday, July 12, 2026
- Betting Odds: Mariners Moneyline +109, Rays Moneyline -130
Tampa Bay Rays Team Preview
The Tampa Bay Rays have been on a roll in their recent games. They won their last two games against the Seattle Mariners, with scores of 6-1 and 7-2. In these games, they collected a total of 26 hits and 10 extra-base hits, including 5 home runs.
In terms of hitting, Junior Caminero has been a standout for the Rays. He has a batting average of .281 with 28 home runs and 59 RBIs. Yandy Díaz and Jonathan Aranda are also key players, both holding a batting average over .290 and contributing with home runs.
The Rays’ pitching has been solid with Ian Seymour leading the way. Seymour holds a 6-1 record with a 4.11 ERA and 72 strikeouts this season. The team ranks 9th in ERA and 4th in batting average against, showing strong pitching performance overall.
BTB Betting Pick
The Rays are favored to win with a moneyline of -130 against the Mariners. The Mariners have a moneyline of +109. The Rays have a better batting average and on-base percentage, ranking 3rd and 5th respectively. Their home advantage and stronger hitting stats make them the pick to win.
The total for the game is set at 7.5 runs. Both teams have strong pitching, with the Mariners ranked 6th in ERA and the Rays ranked 9th. This suggests a lower-scoring game. The recommendation is to take the under 7.5 at odds of -102, expecting a projected score of around 4-3 in favor of the Rays.