Arizona Diamondbacks defeat Miami Marlins 8-7: Recap, Betting Results & AiQ Picks

Mon, Sep 14, 2026 · MLB · Miami Marlins 7, Arizona Diamondbacks 8

Arizona defeated Miami 8-7 on Monday at Chase Field, a result that favored the underdog on the spread while the total went over the closing line. Miami covered at +1.5 despite the loss, and the combined 15 runs cleared the 8.5 total by 6.5.

Miami Marlins vs. Arizona Diamondbacks final score and game recap

The Marlins struck first, scoring three runs in the second inning to take a 3-0 lead. Arizona answered with three of its own in the third to tie it at 3-3. Miami added two more in the fourth for a 5-3 advantage, then Arizona narrowed the gap with a solo run in the fifth, making it 5-4. The sixth inning was scoreless, but Miami extended its lead to 7-4 with two runs in the seventh. Arizona rallied in the eighth with two runs to cut it to 7-6, then plated two more in the ninth to win 8-7. Sandy Alcantara started for Miami and Corbin Burnes for Arizona.

Who covered the spread in Miami Marlins vs. Arizona Diamondbacks?

Miami Marlins covered the spread at +1.5. Arizona entered as a -1.5 favorite but won by only one run, leaving the underdog as the against-the-spread victor. The line held steady at Arizona -1.5 from open to close. AiQ's spread pick was Miami +1.5 with 58% confidence, graded as a win.

Did Miami Marlins vs. Arizona Diamondbacks go over or under the total?

The game went over the 8.5 total, finishing with 15 runs. AiQ's total pick was Under 8.5 at 56% confidence, resulting in a loss.

How did AiQ's Miami Marlins vs. Arizona Diamondbacks predictions do?

AiQ finished 2-1 across the graded picks.

The model correctly identified the underdog covering and the moneyline favorite, but missed the high-scoring nature of the game.

Miami Marlins vs. Arizona Diamondbacks odds: sportsbook value and line movement

Closing moneyline: Miami Marlins +113 | Arizona Diamondbacks -135. The bookmaker's margin sat at 4.4%. Arizona won at -135 odds, paying $74.07 on a $100 stake. AiQ's pre-game expected value calculation placed the Arizona line at -132 with a -4.0% EV, indicating the price was unfavorable despite the model favoring the Diamondbacks. The market's implied 54% win chance aligned closely with AiQ's calibrated 55% estimate.

Miami Marlins sit at 74-76 through 150 games, with a strong 45-32 home record versus a 29-44 road record. Against the spread in 120 games they are 64-56 covered-failed. Their last five results read loss, win, win, loss, loss.

Arizona Diamondbacks sit at 78-70 after 148 contests, boasting a 41-32 home record and a 37-38 away/neutral slate. In 112 spread games they are 57-55 covered-failed. Their recent five results are win, loss, loss, win, loss.

What's next for Miami Marlins and Arizona Diamondbacks?

Miami travels to San Diego to face the Padres on Friday, September 18. Arizona hosts the New York Yankees at Chase Field the same night.