The Boston Red Sox host the Tampa Bay Rays on May 9, 2026. First pitch from Fenway Park is scheduled for 4:10 p.m. EDT. The game will be broadcast on RAYS.
The Red Sox are favored by -152 on the moneyline and by -1.5 on the run line. The Rays are +128 on the moneyline and +1.5 on the run line. The total is set at 7.5 runs.
Find my MLB picks and Rays vs Red Sox prediction below, as well as probable pitchers, weather report, and more.
Rays vs Red Sox Prediction
- Rays vs Red Sox Pick: Under 7.5
My Rays vs Red Sox best bet is on the Under. Make sure to find the best odds by checking our live MLB odds page.
Rays vs Red Sox Odds
| Rays Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
+1.5 -176 | 7.5 -110o / -110u | +128 |
| Red Sox Odds | ||
|---|---|---|
| Spread | Total | Moneyline |
-1.5 +146 | 7.5 -110o / -110u | -152 |
- Rays vs Red Sox moneyline: Rays +128, Red Sox -152
- Rays vs Red Sox over/under: 7.5 (-110o / -110u)
- Rays vs Red Sox spread: Red Sox -1.5 (+146), Rays +1.5 (-176)
Rays vs Red Sox Probable Pitchers
| Nick Martinez (RHP, TBR) | Stat | Payton Tolle (LHP, BOS) |
|---|---|---|
| 3-1 | W-L | 1-1 |
| 0.9 | fWAR (FanGraphs) | 0.6 |
| 1.71 / 3.90 | ERA / xERA | 2.04 / 2.03 |
| 3.44 / 4.34 | FIP / xFIP | 2.45 / 3.16 |
| 10.7% | K-BB% | 25.4% |
| 38.8% | GB% | 31.4% |
| .236 | BABIP | .167 |
| 100 | Stuff+ | 110 |
| 105 | Location+ | 85 |
Rays vs Red Sox MLB Betting Preview
This game triggered one of our Action PRO betting systems, powered by Evan Abrams.
The Series Unders Off Low-Scoring Games system focuses on regular-season MLB matchups in which both teams are entering the second or later game of a series after producing minimal offense in their previous game.
When teams come off one- or two-game streaks of low scoring, particularly early to mid-series, the market can overcorrect or undervalue continued offensive stagnation.
This model anticipates that trend to persist—betting on the under when recent results and situational rhythm point to a slow-paced, low-output environment.
Rays vs Red Sox Pick, Betting Analysis
The Sox won 2-0 last night, and with Payton Tolle on the mound for Saturday, I think it'll be tough for the Rays to generate offense again.
Boston's rookie Southpaw has looked fantastic this season, and his life is made easier with MLB's best defense behind him.
However, I'm also relatively high on Rays starting pitcher Nick Martinez.
I also trust Sean Zerillo's projections, and he's on the Under in this game.
Pick: Under 7.5
