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MLB Prop Bets: Boston Red Sox vs Detroit Tigers (April 20, 2026)

The Detroit Tigers (11-10) face the Boston Red Sox (8-12) at Fenway Park on Monday at 11:10am (ET). Let's take a look at the MLB Prop Bets for the matchup. Jack Flaherty is the probable pitcher for the Tigers, while Sonny Gray is the probable pitcher for the Red Sox. The Red Sox are favored to win at -136, while the Tigers are at +113. The total runs line is set at 8.5, with OVER at -105 and UNDER at -115.

  • The Tigers (-186) have a 10-11 Run Line record this season, while the Red Sox (+153) hold a record of 6-14.
  • The Tigers have an 8-12-1 O/U record this season (meaning eight games have gone over the total runs line, 12 have gone under and one has resulted in a push). The Red Sox have a 10-10-0 O/U record.

Scoring Insights

  • The Tigers are averaging 4.2 runs per game this season (17th in the league). Comparatively, the Red Sox are averaging 4.0 (21st).
  • In the field, the Tigers are allowing only 3.5 runs per game this season (3rd in the league), while the Red Sox are allowing an average of 4.5 runs (18th).

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 Tigers are at .239 (ranking 13th in the Major leagues), while the Red Sox are batting .230 (20th).

Home Runs

  • In terms of total home runs this season, the Red Sox have hit 12 (30th in the Major Leagues). Meanwhile, the Tigers have managed 15 (T26th).

Runs Batted In

  • Finally, looking at their runs batted in, the Tigers have recorded 84 RBIs to rank 19th in the MLB this season. Comparatively, the Red Sox have recorded 75 RBIs to rank 23rd.

Pitching Insights:

Earned Run Average

  • The Red Sox have an earned run average of 4.26 this season (21st in the Majors), while The Tigers have an ERA of 3.34 (5th).

Strikeouts

  • Turning our attention to total strikeouts, the Tigers have recorded 166 this season, ranking 22nd in the MLB. Meanwhile, the Red Sox rank T28th for total strikeouts, recording 155.

Opponent Batting Average

  • Opponents are batting an average of .234 against the Red Sox this season (13th in the Major Leagues). Comparatively, the Tigers' opponents are at .222 (4th).

First Innings Moneyline

  • Here are their first innings moneyline records in 2026.
    Total Home Road Favorite Underdog Neutral Last 10
    Tigers 5-3-13 3-0-6 2-3-7 5-2-8 0-1-5 0-0-0 3-1-6
    Red Sox 2-8-10 1-1-6 1-7-4 1-6-10 1-2-0 0-0-0 1-4-5

Lead After Three Innings

  • Here are their records after the first three innings in 2026.
    Total Home Road Favorite Underdog Neutral Last 10
    Tigers 10-6-5 7-1-1 3-5-4 9-3-3 1-3-2 0-0-0 6-2-2
    Red Sox 6-8-6 4-2-2 2-6-4 5-6-6 1-2-0 0-0-0 3-4-3

NRFI/YRFI

  • The NRFI is 13-8 in Tigers games this season. The Red Sox have a 10-10 NRFI record.

Last Time They Met

The Tigers recorded a 6-2 victory over the Red Sox at Fenway Park yesterday. Dillon Dingler dominated at the plate in that matchup, notching 1 home run, 2 singles and 4 RBIs.