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Diamondbacks vs Marlins Prediction, Pick, MLB Odds for Tuesday, June 9

Diamondbacks vs Marlins Prediction, Pick, MLB Odds for Tuesday, June 9 article feature image
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Photo Credit: Joe Rondone/The Republic / USA TODAY NETWORK via Imagn Images
Pictured: Zac Gallen walks back to the mound

The Miami Marlins host the Arizona Diamondbacks on June 9, 2026. First pitch from loanDepot park is scheduled for 6:40 p.m. EDT. The game will be broadcast on MIAM.

The Marlins are favored by -131 on the moneyline and by -1.5 on the run line. The Diamondbacks are +110 on the moneyline and +1.5 on the run line. The total is set at 7.5 runs.

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


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Diamondbacks vs Marlins Prediction

  • Diamondbacks vs Marlins Pick: Zac Gallen Under 4.5 Strikeouts (-132, FanDuel)

My Diamondbacks vs Marlins best bet is on Gallen to record less than 5 strikeouts. Make sure to find the best odds by checking our live MLB odds page.


Diamondbacks vs Marlins Odds

Diamondbacks Logo
June 9, 2026
6:40 p.m. EDT
MIAM
Marlins Logo
Diamondbacks Odds
SpreadTotalMoneyline
+1.5
+165
7.5
-118o / -102u
+110
Marlins Odds
SpreadTotalMoneyline
-1.5
-200
7.5
-118o / -102u
-131
Odds via FanDuel. Get up-to-the-minute MLB odds here.
FanDuel Logo
  • Diamondbacks vs Marlins moneyline: Diamondbacks +110, Marlins -131
  • Diamondbacks vs Marlins over/under: 7.5 (-118o / -102u)
  • Diamondbacks vs Marlins spread: Marlins -1.5 (+165 ), Diamondbacks +1.5 (-200)

Diamondbacks vs Marlins Probable Pitchers

Zac GallenStatMax Meyer
3-5W-L6-0
0fWAR (FanGraphs)1.9
5.32 / 5.47ERA / xERA2.81 / 3.66
5.02 / 4.52FIP / xFIP3.05 / 3.58
8K-BB%17.9
48.6GB%41.7
.319BABIP.245
88Stuff+97
110Location+108

Diamondbacks vs Marlins MLB Betting Preview

Action PRO projects Diamondbacks starter Zac Gallen for 3.49 strikeouts in his matchup against the Marlins tonight, giving us a strong 15.8% edge against the market when compared to his current prop line of over/under 4.5, which is good enough to tag the Under with an A- grade in our system.


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Diamondbacks vs Marlins Pick, Betting Analysis

Gallen has recorded 40 strikeouts so far this season, but his recent results suggest this strikeout line may be a bit too ambitious. Over his last five outings, he has stayed under this number three times, finishing with one, two and four strikeouts in those starts.

The larger sample tells a similar story. Gallen has gone under this mark in seven of his last 10 appearances, which aligns much more closely with the projection than the current market number.

Gallen has built a reputation as a pitcher capable of generating swings and misses, although he hasn't consistently displayed that level of strikeout upside this season. His recent performances have featured shorter strikeout totals, even when he's been able to work deep enough into games to give himself opportunities.

The Marlins may not be the most intimidating lineup in baseball, but Gallen's current strikeout profile points toward a lower total than the market expects.

Pick: Zac Gallen Under 4.5 Strikeouts (-132, FanDuel)


Diamondbacks vs Marlins Weather


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