St. Louis Cardinals vs Miami Marlins Picks and Predictions for Tuesday April 21 2026
The St. Louis Cardinals travel to face the Miami Marlins at loanDepot park in Miami, Florida, on Tuesday, April 21, 2026. First pitch is scheduled for 6:40 PM ET with coverage on MLB.TV. At the time of this writing the odds were not released. This matchup brings together two teams heading in different recent directions, making it an intriguing spot as the series gets underway. Be sure to check out free MLB picks before placing any wagers.
Starting Pitchers Outlook
Dustin May gets the start for St. Louis, entering with a 2-2 record along with a 6.98 ERA and a 1.60 WHIP over 19.1 innings pitched. He has allowed 27 hits while striking out 15 and walking four, showing some inconsistency in limiting contact. On the other side, Chris Paddack takes the mound for Miami with a 0-3 record, carrying a 5.59 ERA and a 1.45 WHIP across 19.1 innings. He has allowed 23 hits while striking out 18 and walking five, with four home runs surrendered so far.
St. Louis Riding a Strong Wave Into Miami
St. Louis enters this matchup with a 13-8 overall record and has been solid on the road with a 6-3 mark away from home. Their recent form has been impressive, as they have recently won multiple games against Houston, including back-to-back victories and an extra-inning win, and also picked up wins over Cleveland. This stretch highlights a team that has been able to generate offense consistently while also closing out games effectively.
From a statistical standpoint, St. Louis is hitting .233 as a team with 103 runs scored and 163 hits. They have hit 25 home runs while maintaining a .328 on-base percentage and a .379 slugging percentage. On the pitching side, they hold a 4.83 ERA with a 1.41 WHIP, while opponents are hitting .255 against them.
Sign Up Get $30 Premium Picks Credit + Exclusive Offers
Subscribe Now
The key strength for St. Louis is their power production, as the 25 home runs stand out as a major contributor to their scoring. Even with a moderate batting average, their ability to drive the ball and generate runs has helped them sustain success during this recent winning stretch.
Miami Looking to Hold Serve at Home
Miami comes into this game with a 10-12 overall record and has been better at home with an 8-5 mark at loanDepot park. Their recent performance has been mixed, as they have recently won against Milwaukee but also dropped multiple games to both Milwaukee and Atlanta, indicating some inconsistency in results.
Offensively, Miami has posted a .255 team batting average with 100 runs and 187 hits. They have hit 15 home runs while carrying a .329 on-base percentage and a .391 slugging percentage. Their pitching staff has recorded a 4.06 ERA with a 1.27 WHIP, while limiting opponents to a .218 batting average.
The most notable strength for Miami is their ability to limit opposing hitters, as the .218 opponent batting average reflects a staff that can suppress contact effectively. This has helped them remain competitive even when the offense has not been at its best.
St. Louis Cardinals vs Miami Marlins Picks and Prediction
St. Louis Cardinals vs Miami Marlins Pick
Pick: St. Louis Cardinals Moneyline
St. Louis enters this matchup with stronger recent form and has shown the ability to produce runs consistently, particularly through power. While both starting pitchers have allowed runs, the Cardinals’ offense gives them an edge in a game that could require scoring to separate. Miami has been competitive at home, but St. Louis’ momentum and run production make them the more reliable side in this spot.
St. Louis Cardinals vs Miami Marlins Total Pick
Pick: Over
I’m leaning toward the over in this matchup because both starting pitchers have elevated ERAs and have allowed consistent contact early in the season. With St. Louis showing power at the plate and Miami capable of generating hits, this game has the potential to develop into a higher-scoring contest.
Final Score Prediction: St. Louis Cardinals 6 – Miami Marlins 4
This prediction was written before the completion of game play on Monday.
Never Tried Picks and Parlays? Now Is Your Chance
- Get your first daily picks package for ONLY $1 using coupon code BUCK
- If the pick loses, we credit your account with 3 Flex Picks
- If the pick wins, we still give you 1 Flex Pick on the house
- Win or lose, you walk away ahead. One dollar. No catch.
Spend $10 Get 200 in Bonus Picks
$200 in No Sweat Entries + A Free Pick
Get 100% on any coins purchase up to $100
