Diamondbacks vs. Marlins Dunkel MLB Picks, Predictions and Prop Bets - Sept. 16

The Arizona Diamondbacks and Miami Marlins meet on Wednesday at 9:40 p.m. ET at Chase Field, attempting to break a 1-1 series tie. Merrill Kelly (9-13, 4.97 ERA) will start for the Diamondbacks, who are 80-72 this season and third in the NL West. Ryan Gusto (1-5, 4.14 ERA) is expected to start for the Marlins, who are 75-77 and third in the NL East.

The Diamondbacks are moderate favorites on the moneyline (-137) at home over the Marlins (+113). The game's total is set at 9.

Diamondbacks vs. Marlins Odds, Game Time

• Game day: Wednesday, September 16, 2026
• Game time: 9:40 p.m. ET
• Location: Phoenix, Arizona
• Stadium: Chase Field
• Favorite: Diamondbacks (-137)
• Underdog: Marlins (+113)
• Over/under: 9

How to Watch Diamondbacks vs. Marlins

• TV Channel: ARID and MIAM
• Live Stream: Fubo (Watch for free)

Bet now on FanDuel Sportsbook!

Diamondbacks vs. Marlins: Betting the Moneyline

• The Diamondbacks have put together a 38-28 record in games they were favored on the moneyline (winning 57.6% of those games).
• Miami has come away with 34 wins in the 85 contests it has been listed as the underdogs in this season.
• This season Arizona has won 17 of its 29 games, or 58.6%, when favored by at least -137 on the moneyline.
• The Marlins have a mark of 19-25 in contests where oddsmakers favor them by +113 or worse on the moneyline.
• The implied moneyline probablility in this matchup gives the Diamondbacks a 57.8% chance to win.
• The Marlins have an implied victory probability of 46.9% according to the moneyline set for this matchup.

Diamondbacks vs. Marlins: Betting the Spread & Total

• The Diamondbacks have played in 152 games with a set over/under, and have combined with their opponents to go over the total 65 times (65-80-7).
• Games involving Miami have gone over the total set by oddsmakers in 77 of 152 chances this season.
• The Diamondbacks are 80-72-0 against the spread this season.
• In 152 games with a line this season, the Marlins have a mark of 76-76-0 against the spread.