MLB Prop Bets: St. Louis Cardinals vs New York Mets (March 31, 2026)

The New York Mets (3-1) face the St. Louis Cardinals (2-2) at Busch Stadium on Tuesday at 7:45pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Kodai Senga is the probable pitcher for the Mets, while Andre Pallante is the probable pitcher for the Cardinals. The Mets are favored to win at -168, while the Cardinals are at +139. The total runs line is set at 8.5, with OVER at -105 and UNDER at -115.

The Mets (-102) have an 80-86 Run Line record since the beginning of last season, while the Cardinals (-118) hold a record of 81-85 across the same span.
The Mets have a 77-81-8 O/U record since the beginning of last season (meaning 77 games have gone over the total runs line, 81 have gone under and eight have resulted in a push). The Cardinals have an 84-74-8 O/U record.

Scoring Insights

The Mets have scored 4.7 runs per game since the beginning of last season (9th in the league). Comparatively, the Cardinals have averaged 4.3 over the same span (18th).
In the field, the Mets have allowed 4.4 runs per game since the beginning of last season (18th in the league), while the Cardinals have allowed an average of 4.7 runs over that span (22nd).

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 since the beginning of last season, the Mets are at .249 (ranking 13th in the Major leagues), while the Cardinals are batting .245 (18th).

Home Runs

In terms of total home runs since the beginning of last season, the Mets are one of the best in the Major Leagues, hitting 227 to rank 6th. Alternatively, the Cardinals are at the opposite end of the home run standings, hitting just 154 (T28th).

Runs Batted In

Finally, looking at their runs batted in, the Mets have recorded 768 RBIs to rank 7th in the MLB since the beginning of last season. Comparatively, the Cardinals have recorded 676 RBIs to rank T20th.

Pitching Insights:

Earned Run Average

The Cardinals have an earned run average of 4.34 since the beginning of last season (21st in the Majors), while The Mets have an ERA of 4.00 (18th).

Strikeouts

Turning our attention to total strikeouts, the Mets have recorded 1427 since the beginning of last season, ranking 12th in the MLB. Meanwhile, the Cardinals rank 29th for total strikeouts, recording 1232.

Opponent Batting Average

Opponents are batting an average of .261 against the Cardinals since the beginning of last season (28th in the Major Leagues). Comparatively, the Mets' opponents are at .245 (17th).