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Marlins vs Diamondbacks Prediction, Pick, MLB Odds for Wednesday, September 16

Marlins vs Diamondbacks Prediction, Pick, MLB Odds for Wednesday, September 16 article feature image
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Sep 15, 2026; Phoenix, Arizona, USA; Miami Marlins base runner Jakob Marsee reacts after being picked off by Arizona Diamondbacks first baseman Pavin Smith in the seventh inning at Chase Field. Mandatory Credit: Mark J. Rebilas-Imagn Images

The Arizona Diamondbacks host the Miami Marlins on September 16, 2026. First pitch from Chase Field is scheduled for 9:40 p.m. EDT. The game will be broadcast on MIAM.

The Diamondbacks are favored by -134 on the moneyline and by -1.5 on the run line. The Marlins are +114 on the moneyline and +1.5 on the run line. The total is set at 8.5 runs.

Find my MLB picks and Marlins vs Diamondbacks prediction below, as well as probable pitchers, weather report, and more.


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Marlins vs Diamondbacks Prediction

  • Marlins vs Diamondbacks Pick: Diamondbacks ML (-140 or Better)

My Marlins vs Diamondbacks best bet is on the Snakes. Make sure to find the best odds by checking our live MLB odds page.


Marlins vs Diamondbacks Odds

Marlins Logo
Wednesday, Sep 16
9:40 p.m. ET
MIAM
Diamondbacks Logo
Marlins Odds
SpreadTotalMoneyline
+1.5
-192
8.5
-128o / 104u
+114
Diamondbacks Odds
SpreadTotalMoneyline
-1.5
+158
8.5
-128o / 104u
-134
Odds via FanDuel. Get up-to-the-minute MLB odds here.
FanDuel Logo
  • Marlins vs Diamondbacks moneyline: Marlins +113, Diamondbacks -134
  • Marlins vs Diamondbacks over/under: 8.5 (-128o / +104u)
  • Marlins vs Diamondbacks spread: Diamondbacks -1.5 (+158), Marlins +1.5 (-192)

Marlins vs Diamondbacks Probable Pitchers

Ryan Gusto (RHP, MIA)StatMerrill Kelly (RHP, ARI)
1-5W-L9-13
1.0fWAR (FanGraphs)-0.3
4.14 / 4.86ERA / xERA4.97 / 6.65
4.09 / 4.45FIP / xFIP5.47 / 5.00
11.5%K-BB%5.3%
40.5%GB%40.5%
.313BABIP.278
96Stuff+89
101Location+101

Marlins vs Diamondbacks MLB Betting Preview

Our own Sean Zerillo projects some value on the Diamondbacks ML in this game.

If you'd like to dive deeper into the matchup, we reccomend checking out BARTOLO, our new PRO baseball betting tool giving Action PRO Subscribers access to all the live data and stats we use to project MLB games every day.

Here's a sneak peek at what BARTOLO can provide for this game:

Pick: Diamondbacks ML (-140 or Better)


Marlins vs Diamondbacks Weather


Get the latest coverage on MLB Weather.
Author Profile
About the Author

Tanner McGrath covers college basketball, college football and Major League Baseball at Action Network. He is a contributor to Payoff Pitch, Action Network’s Major League Baseball betting podcast. He's been working in the space for more than five years with past journalism experience in Canadian collegiate sports, finance and economics. He has an obsession with America East basketball, betting the Miami Marlins and sweating out home underdogs.

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