Diamondbacks vs. Giants Dunkel MLB Picks, Predictions and Prop Bets - May 19

The Arizona Diamondbacks host the San Francisco Giants at 9:40 p.m. ET on Tuesday, a game featuring two of the league's most consistent batters. Ildemaro Vargas has an average of .335 (second in league) for the Diamondbacks, while Luis Arraez is sixth at .324 for the Giants. Ryne Nelson (1-3, 5.40 ERA) will start for the Diamondbacks, who are 23-23 this season and third in the NL West. Landen Roupp (5-4, 3.49 ERA) is the expected starter for the Giants, who are 20-28 and fourth in the NL West.

The Diamondbacks are moderate favorites on the moneyline (-126) at home over the Giants (+108). The over/under in this contest is 9.

Diamondbacks vs. Giants Odds, Game Time

• Game day: Tuesday, May 19, 2026
• Game time: 9:40 p.m. ET
• Location: Phoenix, Arizona
• Stadium: Chase Field
• Favorite: Diamondbacks (-126)
• Underdog: Giants (+108)
• Over/under: 9

How to Watch Diamondbacks vs. Giants

• TV Channel: ARID and NBCS-BA
• Live Stream: Fubo (Watch for free)

Bet now on FanDuel Sportsbook!

Diamondbacks vs. Giants: Betting the Moneyline

• The Diamondbacks have an 11-6 record in games they were favored on the moneyline (winning 64.7% of those games).
• San Francisco has come away with 13 wins in the 33 contests it has been listed as the underdogs in this season.
• This season Arizona has won six of its nine games, or 66.7%, when favored by at least -126 on the moneyline.
• This year, the Giants have won nine of 22 games when listed as at least +108 or worse on the moneyline.
• The Diamondbacks have a 55.8% chance to win this matchup based on the moneyline's implied probability.
• The moneyline set for this matchup implies the Giants have a 48.1% chance of walking away with the win.

Diamondbacks vs. Giants: Betting the Spread & Total

• The Diamondbacks have played in 46 games with over/under set, and have combined with opponents to go over the total 24 times (24-20-2).
• San Francisco and its opponents have gone over the total this season in 21 of its 48 opportunities.
• The Diamondbacks are 28-18-0 ATS this season.
• The Giants have posted a record of 20-28-0 against the spread this season.