Rays vs Mariners Prediction 8/8/26 MLB Picks Today

In this article, we will formulate a Rays vs Mariners Prediction for this MLB matchup on Saturday, August 8^th in the second game of this series. Let’s take a look at the prediction for this MLB matchup.

Seattle Mariners Preview

The Seattle Mariners have a 56-61 record this season and are sitting in the 3rd place of the AL West. They have a 33-27 home record and are coming off a 1-2 home loss against the Rays. They will face the Yankees and the Astros next.

The Seattle Mariners have a .229 batting average this season, .309 OBP and .375 Slugging percentage. Seattle’s pitching staff has a 3.81 ERA and 1.20 WHIP. Randy Arozarena is the team’s best hitter with a .282 batting average. Julio Rodriguez leads the team in RBI with 51, adding a team-high 18 home runs.

George Kirby (R) is the projected starting pitcher for the Mariners, and he has a 8-9 record, 3.76 ERA and 1.28 WHIP.

Tampa Bay Rays Preview

The Tampa Bay Rays have a 69-46 record this season and are sitting in the 1st place of the AL East. They have a 28-28 away record and are coming off a 2-1 road win against the Mariners. They will face the Athletics and the Orioles next.

The Tampa Bay Rays have a .258 batting average this season, .329 OBP and .403 Slugging percentage. Tampa Bay’s pitching staff has a 3.71 ERA and 1.15 WHIP. Yandy Diaz is the team’s best hitter with a .296 batting average. Jonathan Aranda leads the team in RBI with 72, while Junior Caminero adds a team-high 33 home runs.

Griffin Jax (R) is the projected starting pitcher for the Rays, and he has a 6-9 record, 3.63 ERA and 1.21 WHIP.

Tampa Bay Rays @ Seattle Mariners Betting Trends: August 8, 2026

• Probable Starting Pitcher: George Kirby      Record this season: 8-9      ERA: 3.76
• Home Record: 5-4
• Last 5 against Rays: 2-1

Why the Seattle Mariners will win

• The home team has won nine of the last 11 games between the Rays and Mariners.
• The Rays have lost four of their last five games at T-Mobile Park.
• The Rays have failed to cover the run line in each of their last six games against American League opponents following a win.
• The Mariners have covered the run line in five of their last six home games against AL East opponents following a loss.
• The Mariners have led after 3 innings in four of their last five home games against opponents that held a winning record.
• The Mariners have led after 5 innings in four of their last five home games against opponents that held a winning record.

• Probable Starting Pitcher: Griffin Jax      Record this season: 6-9      ERA: 3.63
• Road Record: 3-5
• Last 5 against Mariners: 1-1

Why the Tampa Bay Rays will win

• The Mariners have lost each of their last 10 night games against the Rays following a loss.
• The Rays have won each of their last six night games against teams that held a losing record.
• The Mariners have failed to cover the run line in each of their last nine Saturday night games against American League opponents.
• The underdogs have covered the run line in eight of the Mariners’ last nine games at T-Mobile Park.
• The Mariners have trailed after 3 innings in each of their last nine night games against opponents that held a winning record.
• The Mariners have trailed after 5 innings in each of their last 10 night games against opponents that held a winning record.
• The Mariners have lost the first inning in four of their last five night games against opponents that held a winning record.

Total Runs Facts

• Eight of the Rays’ last nine games against American League opponents have gone UNDER the total runs line.
• Each of the Mariners’ last five games as favorites against the Rays have gone OVER the total runs line.
• There has been no run scored during the first inning in each of the Mariners’ last eight games against AL East opponents.
• There has been no run scored during the first inning in seven of the Rays’ last eight games against AL West opponents.

Seattle Mariners Player Prop Facts

• Julio Rodriguez has hit a home run in each of his last three appearances against the Rays.
• George Kirby has recorded a win in three of his last four appearances in night games.
• George Kirby has recorded five or more strikeouts in each of his last 10 Saturday appearances against teams that held a winning record.
• Julio Rodriguez has recorded at least one hit in each of his last 13 home appearances after playing the previous day.

Tampa Bay Rays Player Prop Facts

• Victor Mesa Jr. has hit a home run in three of his last four appearances with the Rays as underdogs.
• Griffin Jax has recorded a win in four of his last five appearances against opponents that held a losing record.
• Griffin Jax has recorded six or more strikeouts in three of his last four appearances.
• Jonathan Aranda has recorded at least one hit in each of the Rays’ last nine games against AL West opponents.
• Junior Caminero ranks T2nd in the league in Home Runs (33) this season.

Matchup/League Facts

• The Mariners rank 30th in the league for doubles this season (141).
• The Mariners rank 30th in the league for batting average this season (.229).
• The Rays rank 1st in the league for strikeouts against this season (827).
• The Rays rank 2nd in the league for batting average this season (.258).

Rays vs Mariners Prediction

The Rays are 6-1 in their last 8 meetings against the Mariners but are 1-3 in their last 4 visits in Seattle.

In this Rays vs Mariners Prediction, the Mariners are coming as -115 home favorites. I like the pitching in this matchup, as both pitchers have a combined 7.19 ERA and both have been in excellent form lately. Kirby has back-to-back shutouts at home for the Mariners, while Jax has three straight games with just one earned run. Yesterday’s game had just three total runs, the Rays are 7-3 to the under in their last 10 games and the Mariners have scored one run or less in three of their last four games. Take the under 7.5 in this one.