Seattle Mariners vs New York Mets Prediction, 8/15/2025 MLB Picks, Best Bets & Odds

Game: Seattle Mariners vs New York Mets

Date: Friday, August 15, 2025

Location: Citi Field in Queens, NY

TV: Sportsnet New York

Odds/Point Spread: Seattle (-145) New York (+125)

The New York Mets (64-56) are welcoming the Seattle Mariners (67-54) at Citi Field on Friday. The odds on this game have the Mariners at -145 while the Mets are at +125. The total has been set at 8. The expected starting pitchers will be Luis Castillo and Sean Manaea.

Seattle has a slugging rate of .409 and have been called out on strikes 1,076 times, while drawing a walk on 410 occasions. They have 528 RBI's and 999 base knocks for the year, and their team batting average is sitting at .243. The Mariners have compiled 156 two-baggers as a unit and have hit 171 balls out of the park. They are sitting with 551 runs scored while holding a team on-base percentage of .319. As a team, the Seattle Mariners are putting up 4.6 runs per contest, which is 10th in the league.

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The Mariners have compiled a team ERA of 3.78 this year (10th in the league), and their staff has rung up 1,036 hitters. Mariners pitchers have relinquished 141 home runs in addition to 514 runs in total (14th in MLB). Their pitching staff has walked 361 opposing players and their FIP comes in at 4.03 as a unit for the year. Seattle has surrendered 985 base knocks (8.1 per 9 innings) in addition to 461 earned runs. Their strikeout to walk ratio is 2.87 and the pitching staff has a team WHIP of 1.23.

Mariners pitchers have entered the game with players on base 103 times in addition to having 173 appearances in high leverage situations. The relievers have a total of 68 holds for the year (15th in baseball). The Mariners bullpen have a save percentage of 61.5% and stepped onto the hill in 120 save situations. They have compiled 32 saves on the campaign and have not converted 20 of their 52 save opportunities. The bullpen pitchers have inherited 111 runners on the campaign with 26.1% of them earned a run for their team. The Mariners have dispatched 405 relief pitchers to the mound on the campaign.

The Mariners have transformed 70.9% of baseballs in play into outs out of their 9,885 innings on the field, which has them sitting 9th in professional baseball. The San Francisco Giants have earned a total of 3,295 putouts on the campaign, as well as 1,018 assists and 49 errors. Their fielding percentage is holding at .989 which is 4th in the majors, and have earned 89 double plays.

Castillo (81-82 career win-loss record) sits with a FIP of 3.47 while he has gone up against 5,652 opposing batters in the majors. He has surrendered 1,167 hits (7.7 hits per nine innings) and has 444 free passes. His earned run average is 3.52 (535 earned runs allowed) and he has a WHIP of 1.178. Castillo has taken the ball for 1,368 frames and has earned 1,451 K's thus far in his career.

New York is sitting with 154 long balls so far this season as well as 517 runs batted in. They have recorded 190 two-baggers, while walking 417 times as well as putting up 532 runs. The New York Mets have accounted for an on-base percentage of .320 and a batting average of .241 over the course of the season. The Mets hold a team slugging % of .412 and they score 4.43 runs per outing (13th in baseball). They have been called out on strikes on 962 instances (20th in baseball) and have earned a total of 966 hits.

The New York pitching staff have allowed 499 runs on the season while holding an ERA of 3.75 (443 earned runs conceded). They have relinquished 110 HR's and they surrender 4.22 runs per 9 innings (12th in MLB). The Mets hold a team WHIP of 1.314 in addition to having a FIP of 3.92 as a team on the year. Their K/BB ratio comes in at 8.60 (1,022 strikeouts vs 433 bases on balls). They rank 9th in the league as a staff in total hits surrendered with 965.

With 133 save situations, the Mets have earned 78 holds and 20 blown saves. New York has called on bullpen pitchers to step onto the mound in 55 save opportunities and they have tallied 35 saves. Their relievers have come in 150 times in high leverage situations and on 129 occasions with base runners. New York relievers hold an inherited score rate of 34.4% of 192 inherited runners. They are currently ranked 15th in baseball with a save percentage of 63.6%, and they have dispatched 394 relief pitchers to the hill on the year.

In their 9,576 innings on the diamond, the Mets are sitting with a defensive efficiency of 69.6% (18th in pro baseball). The New York Mets have gotten 89 double plays and hold a fielding percentage of .987 (14th in MLB). The Mets have racked up 1,088 assists, 58 errors and have earned 3,192 putouts over the course of the season.

In his MLB career, Manaea has allowed 1,112 base hits while tallying 1,139 punch outs in 1,211 innings. Manaea (78-63 mark in his career) has earned a 4.01 earned run average and has conceded 8.3 hits per nine innings. He has allowed a total of 540 ER's while holding a WHIP of 1.200 and having a FIP of 4.0. He has a strikeout to walk ratio of 3.34 and he has gone up against 5,047 batters so far in his MLB career.

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

Josh Schonwald's Pick: Take Seattle (-145)

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