Phillies vs. Diamondbacks Dunkel MLB Picks, Predictions and Prop Bets - Sept. 21

The Philadelphia Phillies and Arizona Diamondbacks play on Sunday at 4:10 p.m. ET at Chase Field, attempting to break a 1-1 series tie. Ranger Suarez (12-6, 2.84 ERA) gets the start for the Phillies, who are 92-63 this season and first in the NL East. Eduardo Rodriguez (8-8, 5.12 ERA) is starting for the Diamondbacks, who are 78-77 and third in the NL West.

Despite playing on the road, the Phillies are still a decent moneyline favorite (-128) over the Diamondbacks (+108). The over/under for the Phillies-Diamondbacks game is set at 9.

Phillies vs. Diamondbacks Odds, Game Time

• Game day: Sunday, September 21, 2025
• Game time: 4:10 p.m. ET
• Location: Phoenix, Arizona
• Stadium: Chase Field
• Favorite: Phillies (-128)
• Underdog: Diamondbacks (+108)
• Over/under: 9

How to Watch Phillies vs. Diamondbacks

• TV Channel: Arizona Diamondbacks (NEW)
• Live Stream: Fubo (Watch for free)

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Phillies vs. Diamondbacks: Betting the Moneyline

• The Phillies have a 76-46 record in games they were favored on the moneyline (winning 62.3% of those games).
• Arizona has come away with 32 wins in the 65 contests it has been listed as the underdogs in this season.
• Philadelphia has a record of 67-34 in games when sportsbooks favor them by at least -128 on the moneyline.
• This season, the Diamondbacks have come away with a win 23 times in 43 chances when named as an underdog of at least +108 or longer on the moneyline.
• The Phillies have an implied moneyline win probability of 56.1% in this game.
• The moneyline set for this matchup implies the Diamondbacks have a 48.1% chance of walking away with the win.

Phillies vs. Diamondbacks: Betting the Spread & Total

• The Phillies have played in 155 games with a set over/under, and have combined with their opponents to go over the total 68 times (68-77-10).
• Arizona and its opponents have hit the over in 74 of its 154 games with a total this season.
• The Phillies have covered 51% of their games this season, going 79-76-0 against the spread.
• The Diamondbacks are 79-75-0 against the spread in their 154 games that had a posted line this season.

Dunkel Index Prediction for Phillies vs. Diamondbacks

• Pick OU: Over (9)
  
• Prediction: Phillies 6 - Diamondbacks 4
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