MLB Prop Bets: San Diego Padres vs Miami Marlins (September 20, 2026)
The Miami Marlins (76-79) face the San Diego Padres (86-69) at Petco Park on Sunday at 4:10pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Sandy Alcantara is the probable pitcher for the Marlins, while Walker Buehler is the probable pitcher for the Padres. The Padres are favored to win at -142, while the Marlins are at +118. The total runs line is set at 8.0, with OVER at -110 and UNDER at -110.
- The Marlins (-192) have a 78-77 Run Line record this season, while the Padres (+158) hold a record of 80-75.
- The Marlins have a 79-73-3 O/U record this season (meaning 79 games have gone over the total runs line, 73 have gone under and three have resulted in a push). The Padres have a 71-78-6 O/U record.
Scoring Insights
- The Marlins are averaging 4.4 runs per game this season (16th in the league). Comparatively, the Padres are averaging 4.4 (19th).
- In the field, the Marlins are allowing 4.4 runs per game this season (14th in the league), while the Padres are allowing an average of 4.2 runs (8th).
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 Marlins are at .249 (ranking 7th in the Major leagues), while the Padres are batting .243 (16th).
Home Runs
- In terms of total home runs this season, the Padres have hit 176 (17th in the Major Leagues). Meanwhile, the Marlins have managed 160 (T23rd).
Runs Batted In
- Finally, looking at their runs batted in, the Marlins have recorded 659 RBIs to rank 16th in the MLB this season. Comparatively, the Padres have recorded 658 RBIs to rank 17th.
Pitching Insights:
Earned Run Average
- The Padres have an earned run average of 3.94 this season (10th in the Majors), while The Marlins have an ERA of 4.14 (15th).
Strikeouts
- Turning our attention to total strikeouts, the Marlins have recorded 1259 this season, ranking 19th in the MLB. Meanwhile, the Padres rank 18th for total strikeouts, recording 1261.
Opponent Batting Average
- Opponents are batting an average of .242 against the Padres this season (14th in the Major Leagues). Comparatively, the Marlins' opponents are at .237 (10th).
First Innings Moneyline
- Here are their first innings moneyline records in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Marlins | 28-29-98 | 15-13-50 | 13-16-48 | 14-9-46 | 14-20-52 | 0-0-0 | 0-3-7 |
| Padres | 29-29-97 | 15-13-49 | 14-16-46 | 21-13-47 | 8-16-50 | 0-0-2 | 3-3-4 |
Lead After Three Innings
The Marlins are +105 to lead after three innings, while the Padres are -135.
- Here are their records after the first three innings in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Marlins | 59-57-39 | 35-23-20 | 24-34-19 | 29-18-22 | 30-39-17 | 0-0-0 | 4-4-2 |
| Padres | 53-62-40 | 29-31-17 | 23-30-23 | 29-28-24 | 24-34-16 | 1-1-0 | 6-2-2 |
NRFI/YRFI
The NRFI market is paying -120 and the YRFI is paying -110.
- The NRFI is 91-64 in Marlins games this season. The Padres also have a 91-64 NRFI record.
Last Time They Met
The Padres recorded a 7-6 extra innings victory over the Marlins at Petco Park yesterday. Despite being on the wrong side of that result, Otto Lopez went yard in that matchup, hitting a home run to go with 2 RBIs. The Padres have now won five straight against the Marlins.
