Diamondbacks vs Marlins Prediction, Odds, Moneyline, Spread & Over/Under for Sept. 14

Odds updated as of 4:12 a.m.

The MLB's Monday schedule includes the Arizona Diamondbacks facing the Miami Marlins.

Before you do any MLB betting on this matchup at FanDuel Sportsbook, here's what you need to know.

Diamondbacks vs Marlins Game Info

• Arizona Diamondbacks (79-71) vs. Miami Marlins (74-76)
• Date: Monday, September 14, 2026
• Time: 9:40 p.m. ET
• Venue: Chase Field -- Phoenix, Arizona
• Coverage: Dbacks.TV and Marlins.TV

Diamondbacks vs Marlins Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: ARI: (-134) | MIA: (+114)
• Spread: ARI: -1.5 (+168) | MIA: +1.5 (-205)
• Total: 8.5 -- Over: (-102) | Under: (-120)

Diamondbacks vs Marlins Probable Starting Pitchers

Probable Pitchers: Corbin Burnes (Diamondbacks) - 0-0, 0.00 ERA vs Sandy Alcantara (Marlins) - 13-10, 3.78 ERA

The probable starters are Corbin Burnes for the Diamondbacks and Sandy Alcantara (13-10) for the Marlins. Burnes helped his team cover the spread in his only opportunity this season as a starter. Burnes has yet to start a game this season when his team was the moneyline favorite. The Marlins have a 16-15-0 record against the spread in Alcantara's starts. The Marlins have been the underdog on the moneyline in 15 of Alcantara's starts this season, and they went 6-9 in those matchups.

Diamondbacks vs Marlins Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Marlins win (61.4%)

Diamondbacks vs Marlins Moneyline

• Miami is the underdog, +114 on the moneyline, while Arizona is a -134 favorite at home.

Diamondbacks vs Marlins Spread

• The Marlins are +1.5 on the run line against the Diamondbacks. The Marlins are -205 to cover, and the Diamondbacks are +168.

Diamondbacks vs Marlins Over/Under

• An over/under of 8.5 has been set for Diamondbacks-Marlins on Sept. 14, with the over being -102 and the under -120.

Bet on Arizona Diamondbacks vs. Miami Marlins on FanDuel today!

Diamondbacks vs Marlins Betting Trends

• The Diamondbacks have come away with 35 wins in the 61 contests they have been listed as the favorites in this season.
• Arizona has a record of 16-11 when favored by -134 or more this year.
• The Diamondbacks and their opponents have gone over the total this season in 63 of their 148 opportunities.
• The Diamondbacks have posted a record of 78-70-0 against the spread this season.
• The Marlins have won 40.2% of the games this season they were the underdog on the moneyline (33-49).
• In games it has played as a moneyline underdog with odds of +114 or longer, Miami has a record of 17-27 (38.6%).
• The Marlins have played in 148 games with an over/under set, and have combined with their opponents to go over the total 75 times (75-71-2).
• The Marlins have a 75-73-0 record against the spread this season.

Diamondbacks Player Leaders

• Corbin Carroll is hitting .238 with 30 doubles, 16 triples, 20 home runs and 69 walks. He has an on-base percentage of .331 and a slugging percentage of .466.
• Among all qualifying hitters in baseball, he is 105th in batting average, 66th in on-base percentage, and 34th in slugging.
• Ketel Marte has 26 doubles, three triples, 22 home runs and 47 walks. He's batting .250 and slugging .441 with an on-base percentage of .318.
• Among all qualifying batters, he ranks 76th in batting average, 90th in on-base percentage and 55th in slugging percentage.
• Geraldo Perdomo has hit nine homers with a team-high .364 SLG this season.
• Perdomo has recorded at least one base hit in two straight games. During his last five outings he is hitting .278 with a double, two walks and an RBI.
• Gabriel Moreno leads Arizona with 130 hits and an OBP of .377 this season.
• Moreno has safely hit in three straight games. In his last five games he is batting .300 with a home run, a walk and three RBIs.

Marlins Player Leaders

• Otto Lopez has a team-best .445 slugging percentage. He's batting .309 with an on-base percentage of .350.
• He is third in batting average, 43rd in on-base percentage and 51st in slugging percentage among all qualifying hitters in the majors.
• Lopez brings an eight-game hitting streak into this matchup. During his last 10 outings he is batting .389 with a double, a triple, four walks and seven RBIs.
• Xavier Edwards paces his team with a .362 OBP. He has a batting average of .282 while slugging .376.
• He ranks 20th in batting average, 27th in on-base percentage and 114th in slugging percentage in the big leagues.
• Javier Sanoja is batting .291 with 30 doubles, four triples, eight home runs and 25 walks.
• Jakob Marsee has 18 doubles, five triples, nine home runs and 73 walks while hitting .221.

Diamondbacks vs Marlins Head to Head

• 6/11/2026: 2-0 MIA (Favorite: Marlins, Spread: -1.5, Total: 8.5, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 6/10/2026: 8-0 MIA (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 6/9/2026: 10-6 MIA (Favorite: Marlins, Spread: -1.5, Total: 7.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 6/29/2025: 6-4 MIA (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -190, Underdog Moneyline: +160)
• 6/28/2025: 8-7 MIA (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -162, Underdog Moneyline: +136)
• 6/27/2025: 9-8 MIA (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -172, Underdog Moneyline: +144)
• 4/17/2025: 6-4 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 4/16/2025: 6-2 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -146, Underdog Moneyline: +124)
• 4/15/2025: 10-4 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -156, Underdog Moneyline: +132)
• 8/21/2024: 10-8 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -164, Underdog Moneyline: +138)

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