Free MLB Pick: Mariners vs. Rays Odds
Looking for Seattle Mariners vs. Tampa Bay Rays Free MLB predictions? MLB betting sees the Mariners taking on the Rays on 9/3 at George M. Steinbrenner Field, in Tampa Bay. Cappers Picks provides complimentary expert handicapping picks on all MLB baseball matchups all season long so stay tuned for more FREE daily MLB predictions like this Mariners Rays free pick.
2025 MLB Handicapping – Seattle Mariners vs Tampa Bay Rays
(73-66) Seattle Mariners vs. Tampa Bay Rays (69-69)
Date: Sep 03, 2025
Time: 7:35 PM ET
Venue: George M. Steinbrenner Field in Tampa Bay, FL
Projected Starting Pitchers: George Kirby vs. Adrian Houser
MLB Moneyline Odds: Mariners -142 | Rays 120 (Bet Now!)
Today’s MLB Run Line Betting Odds: Mariners -1.5 | Rays 1.5
MLB Baseball Gambling Total: O/U: 8.5
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Mariners vs. Rays Gameday
The Seattle Mariners travel to George M. Steinbrenner Field to face the Tampa Bay Rays. The Mariners are looking to snap a two-game losing streak, having lost 6-5 and 10-2 to the Rays in their last two games. Meanwhile, the Rays come into this game with a hot streak, winning their last five games.
Seattle’s manager, Dan Wilson, will aim to turn things around, and the team sits second in the AL West. Their road record shows some struggles, with 32 wins and 39 losses. However, they have performed better against division rivals with a 27-18 record.
Tampa Bay’s manager, Kevin Cash, has guided his team to a 69-69 record, placing them fourth in the AL East. The team has been strong at home, with a 36-33 record. Their recent success includes an 8-2 record over the last ten games.
In head-to-head matchups, the Rays recently edged out the Mariners, winning two of their last three encounters. The Rays have been slightly better on the run line, going 3-0 in recent matchups. The Mariners will look to counter this trend in tonight’s game.
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Seattle Mariners vs. Tampa Bay Rays Odds & Last 5
Interestingly, the game odds show the Mariners favored on the moneyline at -140, while the Rays sit at +119. This suggests that the Mariners are expected to bounce back despite their two recent losses to the Rays.
Meanwhile, the runline sees the Mariners at -1.5 (+119), with the Rays at +1.5 (-143).
In their recent games, the Mariners faced a tough 6-5 loss to the Rays, where both teams had an equal number of extra-base hits. Bryan Woo’s performance on the mound included three strikeouts, but he also allowed three earned runs.
On the other hand, the Rays’ Drew Rasmussen pitched five innings, giving up three home runs but kept the Mariners in check.
Furthermore, in the previous 10-2 defeat against the Rays, the Mariners struggled to keep up as Luis Castillo allowed five earned runs in four innings. The Rays had a solid showing, with Shane Baz giving up no runs over six innings.
Tampa Bay’s offense was led by Nick Fortes, who hit a home run and drove in three runs, keeping their winning streak alive.
Rays Stats
To begin, the Tampa Bay Rays have been on a roll with their recent games. They have won their last five games, including a close 6-5 win against the Seattle Mariners. This momentum is a good sign as they continue their season.
The Rays’ hitting has been solid this season. They hold a batting average of .251, ranking 7th in the league. Their on-base percentage is .312, placing them 12th overall.
In addition, the Rays have shown power at the plate with 157 home runs. This ranks them 14th in the league. They also lead the league in stolen bases with 175, showing their speed on the base paths.
On the pitching side, the Rays have an earned run average of 3.89. This ranks them 10th in the league. Their ability to limit opponents to a .236 batting average against is a key strength.
Furthermore, the Rays’ pitching staff has recorded 1194 strikeouts, ranking 8th in the league. They have also managed 57 quality starts, which is 6th best. However, they have given up 181 home runs, ranking 20th.
Finally, Junior Caminero has been a standout for the Rays. He leads the team with 40 home runs and 100 RBIs. His batting average of .262 and slugging percentage of .539 show his impact at the plate.
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Mariners Stats
Firstly, the Seattle Mariners have been swinging for the fences this season. They rank 3rd in the league with 199 home runs. Despite their power, their batting average sits at .242, placing them 15th.
Additionally, the Mariners have been effective on the base paths. They have stolen 136 bases, which is good for 4th in the league. Their on-base percentage is .316, ranking them 10th.
On the pitching side, the Mariners have an earned run average of 4.01, ranking them 17th. They have given up 169 home runs, which also places them 17th. However, they have managed 57 quality starts, ranking 6th.
In recent games, the Mariners have had mixed results. They lost two games to the Tampa Bay Rays, with scores of 6-5 and 10-2. Before that, they managed a win against the Cleveland Guardians, 4-2.
Cal Raleigh has been a standout player for the Mariners. He leads the team with 51 home runs and 108 RBIs. His slugging percentage is .581, making him a key player in their lineup.
Finally, Eugenio Suárez has also contributed significantly. He has hit 42 home runs and driven in 105 runs. His performance has been crucial for the Mariners’ offensive efforts this season.
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Mariners vs. Rays Pitching Matchup
George Kirby takes the mound for the Seattle Mariners. His ERA sits at 3.94, and he has a WHIP of 1.16. Kirby’s win-loss record is 8-6, and he has shown consistency in his performances.
Kirby has been effective in striking out batters, which is a key part of his game. He has a solid command of his pitches, and this often keeps hitters off balance. However, there are times when he struggles with control, leading to higher pitch counts.
On the other side, Adrian Houser will start for the Tampa Bay Rays. He has an impressive ERA of 2.85 and a WHIP of 1.33. Houser’s win-loss record is 7-4, indicating his ability to keep his team in games.
Houser’s strength lies in his ability to limit runs, and he often works deep into games. Additionally, his strikeout numbers are notable, helping him get out of tight spots. Despite this, he occasionally gives up hits in bunches, which can be a concern.
Seattle Mariners vs. Tampa Bay Rays Baseball Betting Trends
- The Rays have won their last five games straight-up.
- Also, the Rays have covered the run line in four of their last five games.
- The total has gone over in three of the Rays’ last five games.
- The Mariners have lost four of their last five games straight-up.
- Additionally, the Mariners have failed to cover the run line in four of their last five games.
- The total has gone over in three of the Mariners’ last five games.
Mariners vs Rays Prediction: Rays ML +119
Rays +119 ML
The Rays are riding high right now with five straight wins, and they’ve cashed the run line in four of those victories. That type of form is exactly what you want to see when backing a team in this spot.
Meanwhile, the Mariners are heading in the opposite direction, dropping four of their last five games. Just as concerning, they’ve failed to cover the run line in those defeats, showing they’re not even keeping games close.
Not only are the Rays winning, but they’re also scoring with consistency, hitting the over in three of their last five. This shows their lineup is locked in and capable of putting pressure on any staff.
Even more, the recent head-to-head results tilt Tampa’s way, with two straight wins against Seattle. That kind of psychological edge can matter when the margins are tight.
Additionally, Tampa Bay has always been tough at home, where their record has been stronger. The Mariners, on the other hand, have not traveled well, carrying a losing road record into this matchup.
All things considered, the Rays moneyline at +119 is the sharp side to back in this matchup.
Given their momentum, offensive rhythm, and recent dominance over Seattle, this price offers real value. Backing the Rays here is the smart move for bettors looking to ride the hot hand.
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MLB Betting Tweet Of The Day
Love to SEA it@BudweiserUSA | #RaysUp
— Tampa Bay Rays (@RaysBaseball) September 3, 2025
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