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MLB Prop Bets: Boston Red Sox vs Houston Astros (May 2, 2026)

The Houston Astros (12-21) face the Boston Red Sox (13-19) at Fenway Park on Saturday at 4:10pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Spencer Arrighetti is the probable pitcher for the Astros, while Connelly Early is the probable pitcher for the Red Sox. The Red Sox are favored to win at -126, while the Astros are at +104. The total runs line is set at 9.0, with OVER at -112 and UNDER at -108.

  • The Astros (-194) have a 12-21 Run Line record this season, while the Red Sox (+159) hold a record of 11-21.
  • The Astros have a 23-10-0 O/U record this season (meaning 23 games have gone over the total runs line and 10 have gone under). The Red Sox have a 16-16-0 O/U record.

Scoring Insights

  • The Astros are averaging 5.1 runs per game this season (6th in the league). Comparatively, the Red Sox are averaging only 3.9 (26th).
  • In the field, the Astros are allowing a whopping 6.0 runs per game this season (30th in the league), while the Red Sox are allowing an average of 4.4 runs (T12th).

Let's take a look at how these teams perform in some other key statistical areas.

Batting Insights:

Batting Average

  • Looking at their batting averages this season, the Astros are at .267 (ranking 3rd in the Major leagues), while the Red Sox are batting .234 (20th).

Home Runs

  • In terms of total home runs this season, the Red Sox have hit 22 (T28th in the Major Leagues). Meanwhile, the Astros have managed 41 (8th).

Runs Batted In

  • Finally, looking at their runs batted in, the Astros have been outstanding this season, recording 160 RBIs to rank T4th in the MLB. Comparatively, the Red Sox have performed poorly in this area, recording only 121 RBIs to rank 27th.

Pitching Insights:

Earned Run Average

  • The Red Sox have an earned run average of 4.24 this season (16th in the Majors), while The Astros have an ERA of 6.00 (30th).

Strikeouts

  • Turning our attention to total strikeouts, the Astros have recorded 297 this season, ranking 6th in the MLB. Meanwhile, the Red Sox rank T24th for total strikeouts, recording 252.

Opponent Batting Average

  • Opponents are batting an average of .248 against the Red Sox this season (20th in the Major Leagues). Comparatively, the Astros' opponents are at .265 (28th).

First Innings Moneyline

  • Here are their first innings moneyline records in 2026.
    Total Home Road Favorite Underdog Neutral Last 10
    Astros 12-11-10 7-4-5 5-7-5 4-4-8 8-7-2 0-0-0 5-3-2
    Red Sox 3-10-19 1-2-11 2-8-8 1-6-14 2-4-5 0-0-0 1-2-7

Lead After Three Innings

The Astros are +100 to lead after three innings, while the Red Sox are -130.

  • Here are their records after the first three innings in 2026.
    Total Home Road Favorite Underdog Neutral Last 10
    Astros 12-12-9 7-5-4 5-7-5 6-6-4 6-6-5 0-0-0 3-4-3
    Red Sox 10-13-9 7-4-3 3-9-6 7-7-7 3-6-2 0-0-0 3-5-2

NRFI/YRFI

The NRFI market is paying -125 and the YRFI is paying -105.

  • The NRFI is 9-24 in Astros games this season. The Red Sox have an 18-14 NRFI record.

Last Time They Met

The Red Sox recorded a 3-1 victory over the Astros at Fenway Park yesterday. Carlos Correa was unstoppable in that matchup, hitting a home run, a double and recording an RBI. That result snapped the Astros' four-game winning streak against the Red Sox.