Red Sox vs. Diamondbacks Dunkel MLB Picks, Predictions and Prop Bets - Aug. 19

Gabriel Moreno rides a 12-game hitting streak into the Arizona Diamondbacks' game against the Boston Red Sox, at 4:10 p.m. ET on Wednesday, at Fenway Park. Payton Tolle (8-6, 2.97 ERA) gets the start for the Red Sox, who are 68-58 this season and third in the AL East. Brandon Pfaadt (7-1, 3.11 ERA) is starting for the Diamondbacks, who are 66-61 and third in the NL West.

With the Diamondbacks (+144) visiting, the Red Sox (-165) are a solid favorite on the moneyline. The contest has an over/under set at 8.

Red Sox vs. Diamondbacks Odds, Game Time

• Game day: Wednesday, August 19, 2026
• Game time: 4:10 p.m. ET
• Location: Boston, Massachusetts
• Stadium: Fenway Park
• Favorite: Red Sox (-165)
• Underdog: Diamondbacks (+144)
• Over/under: 8

How to Watch Red Sox vs. Diamondbacks

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

Bet now on FanDuel Sportsbook!

Red Sox vs. Diamondbacks: Betting the Moneyline

• The Red Sox have a 46-40 record in games they were favored on the moneyline (winning 53.5% of those games).
• Arizona has been victorious in 34, or 45.9%, of the 74 contests it has been chosen as underdogs in this season.
• Boston is 10-6 this season when entering a game favored by -165 or more on the moneyline.
• This season, the Diamondbacks have been victorious eight times in 16 chances when named as an underdog of at least +144 or worse on the moneyline.
• The Red Sox have an implied moneyline win probability of 62.3% in this contest.
• The moneyline set for this matchup implies the Diamondbacks have a 41% chance of walking away with the win.

Red Sox vs. Diamondbacks: Betting the Spread & Total

• The Red Sox have combined with opponents to go over the total 57 times this season for a 57-64-5 record against the over/under.
• Arizona's games have gone over the total in 55 of its 127 chances.
• The Red Sox have a 63-63-0 record ATS this season.
• In 127 games with a line this season, the Diamondbacks have a mark of 69-58-0 against the spread.