Seattle Mariners vs Tampa Bay Rays Prediction, 7/12/2026 MLB Picks, Best Bets & Odds

Game: Seattle Mariners vs Tampa Bay Rays

Date: Sunday, July 12, 2026

Location: Tropicana Field in St. Petersburg, FL

TV: MLB.TV

Odds/Point Spread: Seattle (-128) Tampa Bay (+106)

The Seattle Mariners (47-48) are headed to Tropicana Field on Sunday where they will attempt to beat the Tampa Bay Rays (55-37). The moneyline on this game has Seattle at -128 and Tampa Bay is at +106. The over/under is 8.5. The starting pitchers are Emerson Hancock and Ian Seymour.

Seattle owns a slugging percentage of .379 and have been called out on strikes 822 times, while being walked on 316 occasions. They have compiled 369 RBI's and 721 base knocks on the campaign, and their team batting average sits at .230. The Mariners have accrued 115 two-baggers as a team and have hit 113 baseballs out of the stadium. They have racked up 383 runs while holding a team on-base percentage of .310. As a squad, the Seattle Mariners are knocking in 4.0 runs per game, which has them sitting at 28th in the league.

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They have accrued a K/BB ratio of 3.44 and the pitching staff has earned a collective WHIP of 1.18. Mariners pitchers have relinquished 88 long balls and also 368 total runs (6th in MLB). Seattle has allowed 755 hits (8.1 per 9 innings) in addition to 337 earned runs. The Mariners hold a team ERA of 3.61 on the campaign (5th in MLB), and they have struck out 812 batters. Their pitching staff has walked 236 opposing players and their FIP comes in at 3.52 as a unit so far this year.

The Mariners have sent 279 relief pitchers to the mound over the course of the season. The relief pitchers have inherited 91 runners on the season with 27.5% of those runners earned a run for their team. The relief pitchers have a total of 53 holds on the campaign (12th in baseball). Mariners bullpen pitchers have stepped onto the hill with runners on base 66 times in addition to having 100 appearances in high leverage situations. They have accumulated 22 saves on the campaign and have blown 15 of their 37 save opportunities. The Mariners relief pitchers have accumulated a save percentage of 59.5% and have stepped onto the mound in 91 save situations.

The Mariners have transformed 69.6% of balls in play into outs in their 7,563 innings on the diamond, which has them sitting 19th in baseball. The Seattle Mariners have earned a total of 2,521 putouts thus far, in addition to 772 assists and 48 errors. Their fielding percentage sits at .986 which has them ranked 17th in pro baseball, and have earned 84 double plays.

Hancock has thrown 259 innings and has racked up 201 strikeouts during his MLB career. His earned run average is 4.23 (122 ER's allowed) and his WHIP is 1.234. He has given up 243 hits (8.4 hits per 9 innings) and has had 77 walks. Hancock (14-13 career mark) sits with a FIP of 4.17 and he has faced 1,084 opposing batters in the major leagues.

The Tampa Bay Rays have compiled an OBP of .334 and a team batting average of .259 so far this season. They have been called out on strikes on 659 occasions (30th in MLB) and are sitting with 795 base hits. Tampa Bay has accumulated 92 home runs this season to go along with 397 RBIs. The Rays have a slugging percentage of .401 and they tally 4.53 runs per game (15th in baseball). They have tallied 128 two-baggers, while walking 323 times and notching 417 runs.

The Tampa Bay pitching staff have yielded 384 runs so far this year while having an ERA of 3.79 (346 earned runs surrendered). They have given up 116 long balls and they concede 4.21 runs per 9 innings (9th in MLB). The Rays have a team WHIP of 1.169 in addition to having a FIP of 4.14 as a team over the course of the season. Their K/BB ratio is 8.10 (743 strikeouts vs 243 walks). They rank 6th in the league as a pitching staff in total hits conceded with 717.

Tampa Bay relievers hold an inherited score rate of 25.7% out of their 109 inherited base runners. Their relief pitchers have taken the field 93 times in high leverage situations and on 76 occasions with runners on base. Sitting with 122 save situations, the Rays have accumulated 72 holds and also 13 blown saves. They are ranked 3rd in baseball holding a save rate of 74.0%, and they have sent 292 relievers to the hill on the season.

In their 7,389 innings on the field, the Rays have a defensive efficiency of 71.9% (2nd in pro baseball). The Tampa Bay Rays have gotten 60 double plays and have a fielding percentage of .983 (22nd in baseball). The Rays have recorded 743 assists, 55 errors and have notched a total of 2,463 putouts so far this year.

In his pro baseball career, Seymour has allowed 93 base hits while totaling 136 K's in 118 innings. Seymour (10-4 mark in his career) has a 3.89 ERA while giving up 7.1 hits per nine innings. He has allowed 51 ER's while holding a WHIP of 1.126 and a FIP of 3.8. His strikeout to walk ratio is 3.40 and he has faced 493 hitters in his MLB career.

Who will win tonight's MLB game against the spread or moneyline?

Josh Schonwald's Pick: Take Tampa Bay (+106)

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