Toronto Blue Jays vs Seattle Mariners Prediction, 5/9/2025 MLB Picks, Best Bets & Odds

Game: Toronto Blue Jays vs Seattle Mariners

Date: Friday, May 9, 2025

Location: T-Mobile Park in Seattle, WA

TV: Root Sports Northwest

Odds/Point Spread: Toronto (+102) Seattle (-122)

T-Mobile Park is the site where the Seattle Mariners (22-14) will go up against the Toronto Blue Jays (16-20) on Friday. The odds on this game have the Blue Jays at +102 while the Mariners are coming in at -122. The total is 9. The pitchers taking the mound are Kevin Gausman and Luis Castillo.

Toronto is slugging .356 and have been called out on strikes 263 times, while drawing a walk on 111 occasions. They have accounted for 122 RBI's as well as 289 hits on the campaign, while their batting average is sitting at .241. The Blue Jays have compiled 61 two-baggers as a squad and have hit 25 balls out of the park. They have racked up 127 runs scored and hold an on-base percentage of .310. As a unit, the Toronto Blue Jays are recording 3.5 runs per contest, which has them sitting at 25th in the league.

Get all of our MLB Picks Today

The Blue Jays are sitting with a team ERA of 4.39 over the course of the season (23rd in the league), and their staff has struck out 333 hitters. Blue Jays pitchers have relinquished 53 long balls and also 166 total runs (18th in the league). They have walked 117 opposing players and their FIP is 4.44 as a unit so far this year. Toronto has given up 290 base hits (8.1 per 9 innings) and also 157 earned runs. They have accumulated a K/BB ratio of 2.85 and the pitching staff has a team WHIP of 1.27.

The Blue Jays have sent 126 relief pitchers to the mound this year. The relief pitchers have inherited 56 base runners on the season with 19.6% of those runners ended up scoring. They have compiled 10 saves over the course of the season and have not converted 8 of their 18 chances to get a save. The Blue Jays relievers have recorded a save rate of 55.6% and stepped onto the hill in 39 save situations. The relievers have racked up 21 holds this year (19th in the league). Blue Jays relief pitchers have entered the game with players on base 44 times as well as having 34 appearances in high leverage situations.

The Toronto Blue Jays have notched a total of 965 putouts so far this season, as well as 278 assists and 18 errors. Their fielding percentage is currently at .986 which is 14th in pro baseball, and have a total of 25 double plays. The Blue Jays have transformed 70.3% of balls hit into play into outs in their 2,895 innings on the diamond, which has them sitting 12th in MLB.

Gausman has pitched in 1,758 innings and has 1,802 punch outs during his MLB career. His ERA is 3.84 (750 ER's allowed) and he has a career WHIP of 1.253. He has conceded 1,705 base hits (8.7 hits per 9 innings) and has 497 walks. Gausman (104-105 record in his career) sits with a FIP of 3.78 while he has gone up against 7,363 opposing batters in the major leagues.

Seattle has compiled 51 HRs for the season to go along with 177 RBIs. They have 49 doubles, while walking 156 times as well as putting up 185 runs. The Seattle Mariners have an on-base percentage of .340 as well as a batting average of .247 this year. The Mariners hold a slugging % of .415 and they are earning 5.14 runs per contest (5th in the league). They have been rung up on 306 instances (16th in MLB) and are sitting with 302 hits.

The Seattle pitching staff have given up 154 runs over the course of the season while having a team ERA of 3.76 (137 earned runs conceded). They have relinquished 32 long balls and they relinquish 4.22 runs per 9 innings (14th in baseball). The Mariners have a team WHIP of 1.310 and have a FIP of 3.76 as a staff for the year. Their strikeout to walk ratio is 8.10 (294 strikeouts vs 122 walks). They rank 20th in the league as a staff in total hits surrendered with 308.

Seattle has had relief pitchers step onto the mound in 19 save opportunities and they have walked away with 14 saves. They are currently ranked 6th in baseball holding a save rate of 73.7%, and they have sent 130 relievers onto the diamond for the season. Their relief pitchers have stepped onto the mound 52 times in high leverage situations and on 30 occasions with runners on. Seattle relievers hold an inherited score percentage of 29.0% out of 31 inherited base runners. With 40 save situations, the Mariners have 21 holds and 5 blown saves.

The Seattle Mariners have turned 27 double plays and have a fielding percentage of .989 (4th in the majors). The Mariners have recorded 336 assists, 15 errors and have accounted for 986 putouts so far this season. In their 2,958 innings on the diamond, the Mariners hold a defensive efficiency of 69.6% (18th in baseball).

In his pro baseball career, Castillo has surrendered 1,075 hits while he has totaled 1,361 K's in 1,268 innings. He has allowed 500 earned runs while holding a WHIP of 1.181 and being the owner of a FIP of 3.5. He has a K/BB ratio of 3.22 and he has faced 5,244 hitters so far in his MLB career. Castillo (76-78 career mark) is the owner of a 3.55 earned run average while conceding 7.6 hits per 9 innings.

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

Josh Schonwald's Pick: Take Seattle (-122)

Get $60 worth of FREE premium member picks. No Obligation. No Salesman. No Credit Card. Fast Sign up with Instant Access Click Here