New York Yankees vs Seattle Mariners Prediction, 3/30/2026 MLB Picks, Best Bets & Odds

Game: New York Yankees vs Seattle Mariners

Date: Monday, March 30, 2026

Location: T-Mobile Park in Seattle, WA

TV: MLB.TV

Odds/Point Spread: New York (-275) Seattle (+220)

The Seattle Mariners (1-2) will try to defeat the New York Yankees (3-0) at T-Mobile Park on Monday. The moneyline on this game has the Yankees at -275 while the Mariners are coming in at +220. The betting total comes in at 8. The pitchers who are expected to start are Ryan Weathers and Luis Castillo.

As a unit, the New York Yankees are compiling 4.3 runs per contest, which has them sitting at 18th in MLB. They have a total of 13 runs scored while holding a team OBP of .304. The Yankees have accrued 2 doubles as a unit and have knocked 3 baseballs out of the park. They have recorded 12 runs batted in as well as 25 hits for the season, and their average at the plate is at .243. New York has a slugging % of .388 and have been rung up 29 times, while drawing a walk on 8 occasions.

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They have earned a strikeout to walk ratio of 3.86 and the pitching staff holds a collective WHIP of 0.74. Yankees pitchers have surrendered no long balls and also 1 run (1st in MLB). New York has surrendered 13 base hits (4.3 per 9 innings) as well as 1 earned run. The Yankees hold a team earned run average of 0.33 on the year (1st in MLB), and the staff has struck out 27 batters. They have walked 7 opposing hitters and their FIP is 1.80 as a team on the campaign.

Yankees relief pitchers have come into the game with runners on 3 times and also have had 4 appearances in high leverage situations. The bullpen have 4 holds for the year (3rd in the league). The relief pitchers have inherited 3 base runners for the year and 0.0% of those players earned a run for their team. The Yankees have dispatched 11 relievers to the mound for the season.

The New York Mets have notched a total of 81 putouts for the season, as well as 30 assists and 1 error. Their fielding percentage is holding steady at .991 which is 9th in MLB, and they have turned 4 double plays. The Yankees have turned 78.5% of baseballs in play into outs in their 243 innings on the diamond, which ranks them 3rd in pro baseball.

Weathers has pitched in 280 innings and has accounted for 235 K's so far in his MLB career. Weathers (12-23 win-loss record in his career) has a FIP of 4.87 while he has faced 1,212 batters in the majors. His ERA is 4.94 (154 ER's allowed) and his career WHIP is 1.388. He has surrendered 290 base hits (9.3 hits per 9 innings) with 99 free passes.

Seattle has recorded 7 HRs so far this year to go along with 13 runs batted in. They have notched 4 doubles, while walking 16 times and putting up 14 runs. The Seattle Mariners have recorded a team on-base percentage of .304 and a batting average of .188 this year. The Mariners have a team SLG% of .469 and they are recording 4.67 runs per contest (11th in baseball). They have struck out on 36 occasions (1st in the league) and have a total of 18 hits.

The Mariners are sitting with a team WHIP of 1.143 with a FIP of 3.48 as a unit on the year. They come in at 27th in the league as a pitching staff in total hits given up with 24. The Seattle pitching staff have allowed 13 runs so far this year while holding an ERA of 3.86 (12 earned runs given up). Their K/BB ratio is 10.60 (33 strikeouts against 8 walks). They have conceded 4 homers and they concede 4.18 runs per 9 innings (15th in the league).

They rank 27th in baseball with a save rate of 0.0%, and they have dispatched 12 bullpen pitchers to the mound this season. Their bullpen pitchers have taken the field 2 times in high leverage situations and also on 2 occasions with runners on.

In 252 innings played, the Mariners are sitting with a defensive efficiency of 69.9% (17th in the majors). The Seattle Mariners have turned 2 double plays and have a fielding percentage of .991 (11th in MLB). The Mariners have 23 assists, 1 error and have earned 84 putouts so far this season.

In his career, Castillo has surrendered 1,208 base knocks while totaling 1,493 K's in 1,410 frames. He has given up a total of 557 earned runs while holding a WHIP of 1.178 and a FIP of 3.5. He has a K/BB ratio of 3.30 and he has gone up against 5,824 hitters so far in his pro baseball career. Castillo (84-84 career win-loss record) has earned a 3.55 earned run average and has allowed 7.7 hits per nine innings.

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

Tony Sink's Pick: Take New York (-275)

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