Mariners vs Blue Jays Prediction 5/9/25 MLB Picks Today

The Toronto Blue Jays and Seattle Mariners meet Friday in MLB action at T-Mobile Park. Here’s a Mariners vs Blue Jays Prediction. This article will include a Mariners vs Blue Jays Pick.

Toronto Blue Jays Betting Preview

The Toronto Blue Jays are 17-20 on the year and play the Rays, Tigers, and Padres next. The Toronto Blue Jays are batting .245 on the season, have a .315 OBP, and a .359 slugging percentage. The Toronto Blue Jays’ pitching staff has a 4.38 ERA and a 1.26 WHIP. Bo Bichette leads the Toronto Blue Jays with 44 hits and 16 RBI, while Vladimir Guerrero Jr. and George Springer have combined for 72 hits and 33 RBI.

Kevin Gausman gets the ball for the Toronto Blue Jays, and he is 2-3 with a 3.83 ERA and 37 strikeouts this season. Gausman is 1-4 with a 2.77 ERA and 71 strikeouts in his career against the Seattle Mariners.

Seattle Mariners Betting Preview

The Seattle Mariners are 22-14 on the year and play the Yankees, Padres, and White Sox next. The Seattle Mariners are batting .247 on the season, have a .340 OBP, and a .415 slugging percentage. The Seattle Mariners’ pitching staff has a 3.75 ERA and a 1.31 WHIP. J.P. Crawford leads the Seattle Mariners with 34 hits and 17 RBI, while Cal Raleigh and Julio Rodriguez have combined for 66 hits and 42 RBI.

Luis Castillo gets the ball for the Seattle Mariners, and he is 3-2 with a 3.29 ERA and 30 strikeouts this season. Castillo is 2-2 with a 3.90 ERA and 28 strikeouts in his career against the Toronto Blue Jays.

Why the Seattle Mariners will win

• The Mariners have won each of their last seven night games against the Blue Jays at T-Mobile Park following a win.
• The Blue Jays have lost seven of their last eight games against AL West opponents.
• The Mariners have covered the run line in each of their last six home games against American League opponents.
• The Blue Jays have failed to cover the run line in seven of their last eight games against AL West opponents.
• The Mariners have led after 3 innings in each of their last eight home games.
• The Mariners have won the first inning in three of their last four games against AL East opponents.
• The Blue Jays have trailed after 5 innings in each of their last four games as underdogs against American League opponents.

Why the Toronto Blue Jays will win

• The Mariners have lost eight of their last nine games against AL East opponents that held a losing record.
• The Blue Jays have won seven of their last eight night games following a win.
• The underdogs have covered the run line in each of the Blue Jays’ last 10 games at T-Mobile Park.
• The Mariners have failed to cover the run line in each of their last six games as home favorites against the Blue Jays following a win.
• The Mariners have trailed after 3 innings in four of their last five night games against AL East opponents.
• The Blue Jays have led after 5 innings in four of their last five night games against the Mariners.

Seattle Mariners Player Prop Facts

• Cal Raleigh has hit at least one home run in each of his last five appearances against the Blue Jays after not playing the previous day.
• Randy Arozarena has recorded at least one RBI in each of his last five appearances with his team as a favorite against the Blue Jays.
• Luis Castillo has recorded a win in each of his last four appearances against AL East opponents.
• Jorge Polanco has scored at least one run in each of his last eight appearances in night games.
• J.P. Crawford has recorded at least one Single in 14 of his last 15 appearances.
• Luis Castillo has recorded five or more strikeouts in 28 of his last 29 home appearances against opponents that held a losing record.
• J.P. Crawford has recorded at least one hit in each of his last 15 appearances.
• Cal Raleigh ranks T1st in the league in Home Runs (12) this season.

Toronto Blue Jays Player Prop Facts

• Daulton Varsho has hit a home run in three of his last four appearances with the Blue Jays as underdogs against AL opponents.
• Alejandro Kirk has recorded at least one RBI in each of his last four appearances against the Mariners.
• Kevin Gausman has recorded a win in four of his last five appearances against AL West opponents.
• Vladimir Guerrero Jr. has scored at least one run in each of the Blue Jays’ last seven night games.
• Vladimir Guerrero Jr. has recorded at least one Single in each of the Blue Jays’ last six games.
• Kevin Gausman has recorded six or more strikeouts in each of his last five appearances with his team as an underdog against AL West opponents.
• Vladimir Guerrero Jr. has recorded at least one hit in each of the Blue Jays’ last 10 night games.
• Andres Gimenez has recorded a Double in four of his last five appearances with his team as an underdog against the Mariners.
• George Springer ranks 5th amongst qualified players for On Base Percentage (.413) this season.

Mariners vs Blue Jays Prediction

The Blue Jays have had issues stringing together wins this season, and Gausman has a 5.32 ERA and .200 allowed batting average on the road compared to a 2.00 ERA and .161 allowed batting average at home. The Mariners are a different team since starting the season with a 4-8 record, and Castillo is getting stronger as the season plays out. In his last 12 innings, Castillo has allowed five hits and one run. In 23 innings, Castillo has a 1.57 ERA and .171 allowed batting average at home. You can argue the Mariners should be bigger favorites. Give me the Mariners and the cheap price at home on Friday night.