The Mariners host the Yankees in an early season American League clash tonight. First pitch from T-Mobile Park is scheduled for 9:40 p.m. ET. Yankees vs Mariners will broadcast on YES and Mariners.TV.
The Yankees are -120 favorites on the moneyline and by -1.5 on the run line (+145). The Mariners are +100 underdogs on the moneyline and +1.5 on the run line (-175). The over/under is 7.5.
Find my Yankees vs Mariners prediction below — plus the latest MLB odds, betting trends, weather forecast and more.
Yankees vs Mariners Prediction
- Yankees vs Mariners Pick: Under 8
My Yankees vs Mariners best bet is the game total under 8. Make sure to find the best odds by checking our live MLB odds page.
Yankees vs Mariners Odds
| Yankees Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
-1.5 +145 | 7.5 -105o / -115u | -120 |
| Mariners Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
+1.5 -175 | 7.5 -105o / -115u | +100 |
- Yankees vs Mariners spread: Yankees -1.5 (+145), Mariners +1.5 (-175)
- Yankees vs Mariners over/under: 7.5 (-105o / -115u)
- Yankees vs Mariners moneyline: Yankees -120, Mariners +100
Yankees vs Mariners Probable Starting Pitchers
| LHP Ryan Weathers (NYY) | Stat | RHP Luis Castillo (SEA) |
|---|---|---|
| Season Debut | W-L | Season Debut |
| – | fWAR (FanGraphs) | – |
| – | ERA /xERA | – |
| – | FIP / xFIP | – |
| – | WHIP | – |
| – | K-BB% | – |
| – | GB% | – |
| – | Stuff+ | – |
| – | Location+ | – |
Yankees vs Mariners Preview, Prediction
Seattle comes into this in a solid spot after playing Sunday Night Baseball, but the key is that they won in a blowout, which allowed them to rest the bullpen — something they heavily needed. They also stay at home, avoiding travel, which is another small edge.
By my numbers, these are two of the best bullpens in the American League. Seattle’s group — anchored by arms like Muñoz and Brash — along with New York’s relief corps, all project extremely well. More importantly, they’re healthy and rested coming into this game, which sets up for a strong late-inning run prevention environment.
On the starting pitching side, both Luis Castillo and Ryan Weathers project around league average.
Castillo still shows stronger splits at home, where he’s been able to mask some signs of decline, while Weathers arguably has more upside than his baseline projections suggest.
Yankees vs Mariners Prediction, Betting Analysis
I like the under in this Yankees–Mariners matchup.
I make the total closer to 7.2, so there was value at 8 earlier. Now that the market has moved to 7.5, it’s a bit thinner, but still playable around -110 as you’re sitting on a key number.
There’s also a case to approach this live. If the game gets to something like 2–2 by the fifth or sixth inning and you’re getting a live total of 8 or 8.5 with both bullpens entering, that’s an ideal entry point for a live under.
Weather is another factor working in favor of the Under — temperatures around 43°F in Seattle should help suppress offense. Between the cold conditions, strong bullpens, and stable pitching environment, this profiles as a relatively low-scoring game.
Overall, under 7.5 at standard juice is still reasonable, though the edge is smaller compared to earlier numbers.
Pick: Under 8
Yankees vs Mariners Betting Trends
Yankees vs Mariners Viewing Info: Channel, Start Time, Streaming
| Location: | T-Mobile Park |
| Date: | Monday, March 30 |
| Time: | 9:40 p.m. ET |
| TV / Streaming Options: | YES; Mariners.TV |
