home team icon
away team icon

MLB Prop Bets: San Francisco Giants vs Houston Astros (August 12, 2026)

The Houston Astros (61-60) face the San Francisco Giants (50-70) at Oracle Park on Wednesday at 3:45pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Bryan King is the probable pitcher for the Astros, while the Giants' probable pitcher remains unclear. The Astros are favored to win at -137, while the Giants are at +127. The total runs line is set at 8.5, with OVER at -110 and UNDER at -110.

  • The Astros (+119) have a 63-58 Run Line record this season, while the Giants (-144) hold a record of 60-60.
  • The Astros have a 64-50-7 O/U record this season (meaning 64 games have gone over the total runs line, 50 have gone under and seven have resulted in a push). The Giants have a 54-55-11 O/U record.

Scoring Insights

  • The Astros are averaging 4.6 runs per game this season (10th in the league). Comparatively, the Giants are averaging only 4.1 (26th).
  • In the field, the Astros are allowing 4.8 runs per game this season (24th in the league), while the Giants are allowing an average of 4.6 runs (20th).

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 .244 (ranking 12th in the Major leagues), while the Giants are batting .249 (9th).

Home Runs

  • In terms of total home runs this season, the Giants have hit 134 (19th in the Major Leagues). Meanwhile, the Astros have managed 162 (3rd).

Runs Batted In

  • Finally, looking at their runs batted in, the Astros have recorded 530 RBIs to rank 10th in the MLB this season. Comparatively, the Giants have recorded 473 RBIs to rank 25th.

Pitching Insights:

Earned Run Average

  • The Giants have an earned run average of 4.34 this season (22nd in the Majors), while The Astros have an ERA of 4.57 (25th).

Strikeouts

  • Turning our attention to total strikeouts, the Astros have recorded 1053 this season, ranking 10th in the MLB. Meanwhile, the Giants rank 27th for total strikeouts, recording 904.

Opponent Batting Average

  • Opponents are batting an average of .248 against the Giants this season (21st in the Major Leagues). Comparatively, the Astros' opponents are at .238 (9th).

First Innings Moneyline

  • Here are their first innings moneyline records in 2026.
    Total Home Road Favorite Underdog Neutral Last 10
    Astros 34-31-56 18-12-29 16-19-27 13-11-24 21-20-32 0-0-0 1-1-8
    Giants 24-30-66 12-9-37 12-21-29 8-6-26 16-24-40 0-0-0 1-3-6

Lead After Three Innings

  • Here are their records after the first three innings in 2026.
    Total Home Road Favorite Underdog Neutral Last 10
    Astros 43-49-29 25-21-13 18-28-16 18-20-10 25-29-19 0-0-0 6-2-2
    Giants 39-50-31 18-23-17 21-27-14 13-15-12 26-35-19 0-0-0 3-4-3

NRFI/YRFI

The NRFI market is paying -120 and the YRFI is paying -110.

  • The NRFI is 53-68 in Astros games this season. The Giants have a 65-55 NRFI record.

Last Time They Met

The Giants recorded a 4-1 victory over the Astros at Oracle Park yesterday. Drew Cavanaugh went yard en route to that victory, hitting a home run to go with an RBI.