MLB Prop Bets: Arizona Diamondbacks vs Miami Marlins (September 16, 2026)
The Miami Marlins (75-77) face the Arizona Diamondbacks (80-72) at Chase Field on Wednesday at 9:40pm (ET). Let's take a look at the MLB Prop Bets for the matchup. Ryan Gusto is the probable pitcher for the Marlins, while Merrill Kelly is the probable pitcher for the Diamondbacks. The Diamondbacks are favored to win at -133, while the Marlins are at +111. The total runs line is set at 9.0, with OVER at -108 and UNDER at -112.
- The Marlins (-183) have a 76-76 Run Line record this season, while the Diamondbacks (+151) hold a record of 83-69.
- The Marlins have a 77-72-3 O/U record this season (meaning 77 games have gone over the total runs line, 72 have gone under and three have resulted in a push). The Diamondbacks have a 62-81-9 O/U record.
Scoring Insights
- The Marlins are averaging 4.5 runs per game this season (17th in the league). Comparatively, the Diamondbacks are averaging 4.4 (18th).
- In the field, the Marlins are allowing 4.4 runs per game this season (T12th in the league), while the Diamondbacks are allowing an average of 4.4 runs (14th).
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 Diamondbacks are batting .243 (16th).
Home Runs
- In terms of total home runs this season, the Diamondbacks have hit 151 (26th in the Major Leagues). Meanwhile, the Marlins have managed 156 (T23rd).
Runs Batted In
- Finally, looking at their runs batted in, the Marlins have recorded 648 RBIs to rank T15th in the MLB this season. Comparatively, the Diamondbacks have recorded 644 RBIs to rank 17th.
Pitching Insights:
Earned Run Average
- The Diamondbacks have an earned run average of 4.09 this season (12th in the Majors), while The Marlins have an ERA of 4.10 (13th).
Strikeouts
- Turning our attention to total strikeouts, the Marlins have recorded 1229 this season, ranking 18th in the MLB. Meanwhile, the Diamondbacks rank 29th for total strikeouts, recording 1063.
Opponent Batting Average
- Opponents are batting an average of .248 against the Diamondbacks this season (20th in the Major Leagues). Comparatively, the Marlins' opponents are at .235 (7th).
First Innings Moneyline
- Here are their first innings moneyline records in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Marlins | 28-29-95 | 15-13-50 | 13-16-45 | 14-9-46 | 14-20-49 | 0-0-0 | 0-4-6 |
| Diamondbacks | 31-41-80 | 19-16-40 | 12-25-38 | 18-14-33 | 13-27-47 | 0-0-2 | 1-2-7 |
Lead After Three Innings
The Marlins are -115 to lead after three innings, while the Diamondbacks are -115.
- Here are their records after the first three innings in 2026.
| Total | Home | Road | Favorite | Underdog | Neutral | Last 10 | |
|---|---|---|---|---|---|---|---|
| Marlins | 56-57-39 | 35-23-20 | 21-34-19 | 29-18-22 | 27-39-17 | 0-0-0 | 2-5-3 |
| Diamondbacks | 46-70-36 | 29-26-20 | 16-43-16 | 27-21-17 | 19-49-19 | 1-1-0 | 3-3-4 |
NRFI/YRFI
The NRFI market is paying -105 and the YRFI is paying -125.
- The NRFI is 88-64 in Marlins games this season. The Diamondbacks have a 71-81 NRFI record.
Last Time They Met
The Marlins recorded a 4-2 extra innings victory over the Diamondbacks at Chase Field yesterday. Gabriel Moreno was unstoppable in that matchup, hitting a home run, a single and recording an RBI.
