Cubs vs Diamondbacks Prediction, Odds, Moneyline, Spread & Over/Under for May 3

Odds updated as of 2:12 p.m.

The MLB slate on Sunday includes the Chicago Cubs taking on the Arizona Diamondbacks.

Here's everything you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

Cubs vs Diamondbacks Game Info

• Chicago Cubs (21-12) vs. Arizona Diamondbacks (16-16)
• Date: Sunday, May 3, 2026
• Time: 2:20 p.m. ET
• Venue: Wrigley Field -- Chicago, Illinois
• Coverage: MARQ and Dbacks.TV

Cubs vs Diamondbacks Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: CHC: (-158) | ARI: (+134)
• Spread: CHC: -1.5 (+116) | ARI: +1.5 (-140)
• Total: 11.5 -- Over: (-122) | Under: (+100)

Cubs vs Diamondbacks Probable Starting Pitchers

Probable Pitchers: Matthew Boyd (Cubs) - 1-1, 7.00 ERA vs Merrill Kelly (Diamondbacks) - 1-2, 9.20 ERA

The probable starters are Matthew Boyd (1-1) for the Cubs and Merrill Kelly (1-2) for the Diamondbacks. Boyd and his team are 2-2-0 ATS this season when he starts. Boyd's team has been victorious in 66.7% of the games he's started as the moneyline favorite with a record of 2-1. The Diamondbacks have a 1-2-0 record against the spread in Kelly's starts. The Diamondbacks were the moneyline underdog for two Kelly starts this season -- they split the games.

Cubs vs Diamondbacks Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Cubs win (65.9%)

Cubs vs Diamondbacks Moneyline

• Chicago is the favorite, -158 on the moneyline, while Arizona is a +134 underdog on the road.

Cubs vs Diamondbacks Spread

• The Cubs are hosting the Diamondbacks and are favored by 1.5 runs (+116 to cover) on the runline. Arizona is -140 to cover.

Cubs vs Diamondbacks Over/Under

• The over/under for the Cubs versus Diamondbacks contest on May 3 has been set at 11.5, with -122 odds on the over and +100 odds on the under.

Bet on Chicago Cubs vs. Arizona Diamondbacks on FanDuel today!

Cubs vs Diamondbacks Betting Trends

• The Cubs have come away with 14 wins in the 21 contests they have been listed as the favorites in this season.
• This year Chicago has won five of seven games when listed as at least -158 on the moneyline.
• The Cubs and their opponents have gone over in 21 of their 33 games with a total set by sportsbooks this season.
• The Cubs have posted a record of 16-17-0 against the spread this season.
• The Diamondbacks have gone 9-13 in games they were listed as the moneyline underdog (winning 40.9% of those games).
• Arizona has a 3-4 record (winning 42.9% of its games) when it has played as a moneyline underdog of +134 or longer.
• The Diamondbacks have combined with opponents to hit the over on the total 19 times this season for a 19-12-1 record against the over/under.
• The Diamondbacks have covered 65.6% of their games this season, going 21-11-0 ATS.

Cubs Player Leaders

• Nico Hoerner leads Chicago with an OBP of .374, plus a team-best slugging percentage of .461. He's batting .297 on the season.
• Among qualified hitters in the majors, he is 32nd in batting average, 36th in on-base percentage, and 53rd in slugging.
• Hoerner will look for his fourth straight game with a hit in this contest. In his last five games he is batting .222 with two doubles, two walks and three RBIs.
• Dansby Swanson has two doubles, a triple, six home runs and 20 walks. He's batting .219 and slugging .429 with an on-base percentage of .341.
• Among qualifying batters, he ranks 134th in batting average, 73rd in on-base percentage and 71st in slugging percentage.
• Swanson has picked up at least one hit in four games in a row. During his last five outings he is batting .333 with a double, a walk and three RBIs.
• Ian Happ has 29 hits and is batting .246 this season.
• Alex Bregman has three home runs, 12 RBI and a batting average of .250 this season.

Diamondbacks Player Leaders

• Ildemaro Vargas has a team-best OBP (.412) and slugging percentage (.673), while pacing the Diamondbacks in hits (38, while batting .388).
• Including all the qualifying players in the majors, he ranks first in batting average, 11th in on-base percentage and third in slugging percentage.
• Corbin Carroll is batting .280 with seven doubles, four triples, four home runs and 16 walks. He's slugging .533 with an on-base percentage of .376.
• Including all qualifying hitters, his batting average puts him 44th, his on-base percentage ranks 34th, and he is 22nd in slugging.
• Geraldo Perdomo is batting .245 with three doubles, three triples, two home runs and 18 walks.
• Nolan Arenado is batting .276 with two doubles, five home runs and six walks.

Cubs vs Diamondbacks Head to Head

• 5/2/2026: 2-0 CHC (Favorite: Cubs, Spread: -1.5, Total: 7.5, Favorite Moneyline: -162, Underdog Moneyline: +136)
• 5/1/2026: 6-5 CHC (Favorite: Cubs, Spread: -1.5, Total: 7, Favorite Moneyline: -152, Underdog Moneyline: +128)
• 4/19/2025: 6-2 CHC (Favorite: Cubs, Spread: -1.5, Total: 7.5, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 4/18/2025: 13-11 CHC (Favorite: Diamondbacks, Spread: -1.5, Total: 11.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 3/30/2025: 10-6 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 3/29/2025: 4-3 CHC (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 3/28/2025: 8-1 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -144, Underdog Moneyline: +122)
• 3/27/2025: 10-6 CHC (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -126, Underdog Moneyline: +108)
• 7/21/2024: 2-1 CHC (Favorite: Cubs, Spread: -1.5, Total: 7, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 7/20/2024: 3-0 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -134, Underdog Moneyline: +114)

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