Guardians vs Diamondbacks Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 2

Odds updated as of 10:11 p.m.

In MLB action on Sunday, the Cleveland Guardians face the Arizona Diamondbacks.

All the information you need to make smart wagers on this matchup at FanDuel Sportsbook can be found below. Check out all of the latest MLB betting lines here.

Guardians vs Diamondbacks Game Info

• Cleveland Guardians (56-55) vs. Arizona Diamondbacks (58-52)
• Date: Sunday, August 2, 2026
• Time: 1:40 p.m. ET
• Venue: Progressive Field -- Cleveland, Ohio
• Coverage: CleGuardians.TV and Dbacks.TV

Guardians vs Diamondbacks Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: CLE: (-138) | ARI: (+128)
• Spread: CLE: -1.5 (+152) | ARI: +1.5 (-184)
• Total: 8 -- Over: (-110) | Under: (-110)

Guardians vs Diamondbacks Probable Starting Pitchers

Probable Pitchers: Gavin Williams (Guardians) - 10-6, 3.71 ERA vs Merrill Kelly (Diamondbacks) - 8-8, 4.86 ERA

The Guardians will give the nod to Gavin Williams (10-6, 3.71 ERA), who is eyeing win No. 11 on the season, and the Diamondbacks will counter with Merrill Kelly (8-8, 4.86 ERA). Williams' team is 10-11-0 against the spread this season in his starts. Williams' team is 9-7 this season when he starts and they are the moneyline favorite. The Diamondbacks have gone 11-8-0 against the spread when Kelly starts. The Diamondbacks are 4-7 in Kelly's 11 starts this season that they were the moneyline underdog.

Guardians vs Diamondbacks Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Guardians win (57.6%)

Guardians vs Diamondbacks Moneyline

• Looking at the moneyline for Guardians-Diamondbacks, Cleveland is the favorite at -138, and Arizona is +128 playing on the road.

Guardians vs Diamondbacks Spread

• The Guardians are hosting the Diamondbacks and are favored by 1.5 runs on the spread. The Guardians are +152 to cover the runline, with the Diamondbacks being -184.

Guardians vs Diamondbacks Over/Under

• An over/under of 8 has been set for Guardians-Diamondbacks on Aug. 2, with the over being -110 and the under -110.

Bet on Cleveland Guardians vs. Arizona Diamondbacks on FanDuel today!

Guardians vs Diamondbacks Betting Trends

• The Guardians have come away with 28 wins in the 56 contests they have been listed as the favorites in this season.
• This season Cleveland has come away with a win 10 times in 18 chances when named as a favorite of at least -138 on the moneyline.
• The Guardians and their opponents have gone over the total this season in 49 of their 105 opportunities.
• The Guardians have posted a record of 51-54-0 against the spread this season.
• The Diamondbacks have won 26 of the 60 games they were the moneyline underdog this season (43.3%).
• Arizona has a 9-8 record (winning 52.9% of its games) when playing as a moneyline underdog of +128 or longer.
• The Diamondbacks have had an over/under set by bookmakers 109 times, and have combined with opponents to go over the total in 46 of those games (46-59-4).
• The Diamondbacks have a 58-51-0 record against the spread this season.

Guardians Player Leaders

• Chase DeLauter leads Cleveland in total hits (96) this season while batting .277 with 32 extra-base hits. He has an on-base percentage of .347 and a slugging percentage of .435.
• Among all qualified hitters, he ranks 36th in batting average, his on-base percentage ranks 51st, and he is 66th in slugging.
• Jose Ramirez has 18 doubles, 10 home runs and 45 walks. He's batting .236 and slugging .395 with an on-base percentage of .334.
• Among qualifying hitters, he ranks 112th in batting average, 67th in on-base percentage and 106th in slugging percentage.
• Brayan Rocchio has an OPS of .713, fueled by an OBP of .323 and a team-best slugging percentage of .390 this season.
• Steven Kwan has 87 hits this season and a team-best OBP of .353.
• Kwan takes a two-game hitting streak into this game. In his last five games he is hitting .316 with two doubles, two walks and an RBI.

Diamondbacks Player Leaders

• Ketel Marte has racked up a slugging percentage of .451, a team-best for the Diamondbacks. He's batting .254 with an on-base percentage of .308.
• He ranks 76th in batting average, 115th in on-base percentage and 54th in slugging percentage among all qualified batters in the big leagues.
• Marte brings a five-game hitting streak into this matchup. In his last five games he is hitting .227 with a double, a home run, a walk and two RBIs.
• Corbin Carroll paces his team with 98 hits. He has a batting average of .247 while slugging .476 with an on-base percentage of .342.
• Including all qualified players, he is 91st in batting average, 57th in on-base percentage and 31st in slugging percentage.
• Geraldo Perdomo is batting .231 with 14 doubles, four triples, eight home runs and 68 walks.
• Gabriel Moreno's .391 on-base percentage leads his team.

Guardians vs Diamondbacks Head to Head

• 7/31/2026: 4-1 ARI (Favorite: Guardians, Spread: -1.5, Total: 8.5, Favorite Moneyline: -134, Underdog Moneyline: +124)
• 8/20/2025: 3-2 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 8/19/2025: 6-5 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 8/18/2025: 3-1 CLE (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 8/7/2024: 5-3 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 8/7/2024: 7-3 ARI (Favorite: Guardians, Spread: -1.5, Total: 8, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 8/5/2024: 7-6 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 6/18/2023: 12-3 CLE (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 6/17/2023: 6-3 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 6/16/2023: 5-1 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -190, Underdog Moneyline: +160)

Sign up for FanDuel Sportsbook and FanDuel Daily Fantasy today!