The Boston Red Sox host the Seattle Mariners on April 23, 2025. First pitch from Fenway Park is scheduled for 6:45 p.m. ET.
The game will be broadcast on ROOT Sports NW.
Find my MLB betting preview and Mariners vs Red Sox prediction below, as well as probable pitchers, betting trends, injury reports, and more.
My Mariners vs Red Sox Prediction
Mariners vs Red Sox pick: Rafael Devers Over 0.5 Home Runs (+360, BetMGM)
My Mariners vs Red Sox best bet is on Rafael Devers to hit a home run. Make sure to find the best odds by checking our live MLB odds page.
Mariners vs Red Sox Odds, Spread
| Mariners Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
+1.5 +140 | 10 -110o / -110u | +119 |
| Red Sox Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
-1.5 -165 | 10 -110o / -110u | -140 |
Mariners vs Red Sox Projected Starting Pitchers
| Emerson Hancock | Stat | Sean Newcomb |
|---|---|---|
| 0-1 | W-L | 0-2 |
| -0.1 | fWAR (FanGraphs) | 0.6 |
| 12.71 / 7.18 | ERA / xERA | 3.63 / 3.75 |
| 6.73 / 4.44 | FIP / xFIP | 2.56 / 3.98 |
| 2.29 | WHIP | 1.90 |
| 11.1% | K-BB% | 12.3% |
| 36.4% | GB% | 42.0% |
| 90 | Stuff+ | 95 |
| 105 | Location+ | 91 |
Mariners vs Red Sox Betting Analysis and Preview
The Home Run Prop to Bet
Rafael Devers has had a frustrating start to the season, as he has only two home runs.
Still, the underlying numbers have been outstanding, with a career-high barrel rate (21%) and hard-hit rate (62%). We know the bombs will start coming soon.
The matchup isn't bad against Emerson Hancock.
Seattle's right-handed starting pitcher gets crushed by power, and he's ultimately an above-average matchup for a left-handed power hitter.
The weather also shouldn't be bad for hitting, with temperatures in the high 60s and winds blowing slightly toward the outfield.
I make the fair price for a Devers home run around +300, so we're getting good value at BetMGM.
Pick: Rafael Devers Over 0.5 Home Runs (+360, BetMGM)
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