Diamondbacks vs. Cardinals Dunkel MLB Picks, Predictions and Prop Bets - July 18

The Arizona Diamondbacks will look to Tim Tawa, on a two-game homer streak, versus the St. Louis Cardinals at 4:10 p.m. ET on Saturday, at Chase Field. Brandon Pfaadt (3-1, 4.70 ERA) gets the start for the Diamondbacks, who are 49-48 this season and second in the NL West. Dustin May (5-6, 4.55 ERA) is starting for the Cardinals, who are 51-45 and third in the NL Central.

With moneyline odds of -116 for the Diamondbacks and -105 for the Cardinals, this could be a close contest. The game has an over/under set at 9 runs.

Diamondbacks vs. Cardinals Odds, Game Time

• Game day: Saturday, July 18, 2026
• Game time: 4:10 p.m. ET
• Location: Phoenix, Arizona
• Stadium: Chase Field
• Favorite: Diamondbacks (-116)
• Underdog: Cardinals (-105)
• Over/under: 9

How to Watch Diamondbacks vs. Cardinals

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

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Diamondbacks vs. Cardinals: Betting the Moneyline

• The Diamondbacks have won 24 of the 40 games they were the moneyline favorite this season (60%).
• St. Louis has been underdogs in 69 games this season and has come away with the win 35 times (50.7%) in those contests.
• Arizona has entered 31 games this season favored by -116 or more and is 19-12 in those contests.
• The Cardinals have a mark of 30-29 in contests where bookmakers favor them by -105 or worse on the moneyline.
• Based on this contest's moneyline, the Diamondbacks' implied win probability is 53.7%.
• The Cardinals have an implied victory probability of 51.2% according to the moneyline set by oddsmakers for this matchup.

Diamondbacks vs. Cardinals: Betting the Spread & Total

• The Diamondbacks have had an over/under set by oddsmakers 97 times, and have combined with opponents to go over the total in 41 of those games (41-51-5).
• Games involving St. Louis have gone over the total set by sportsbooks in 37 of 96 chances this season.
• The Diamondbacks have a 54-43-0 record ATS this season (covering 55.7% of the time).
• The Cardinals have an against the spread record of 56-40-0 in 96 games with a line this season.