Guardians vs Diamondbacks Prediction, Odds, Moneyline, Spread & Over/Under for July 31

Odds updated as of 6:13 p.m.

In MLB action on Friday, the Cleveland Guardians play the Arizona Diamondbacks.

All the information you need to make smart bets 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 (56-54) vs. Arizona Diamondbacks (57-52)
• Date: Friday, July 31, 2026
• Time: 7:10 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: (+126)
• Spread: CLE: -1.5 (+146) | ARI: +1.5 (-178)
• Total: 8.5 -- Over: (-118) | Under: (-104)

Guardians vs Diamondbacks Probable Starting Pitchers

Probable Pitchers: Tanner Bibee (Guardians) - 4-10, 3.89 ERA vs Mitch Bratt (Diamondbacks) - 0-1, 6.32 ERA

The Guardians will call on Tanner Bibee (4-10) against the Diamondbacks and Mitch Bratt (0-1). Bibee's team is 5-15-0 against the spread in his starts this season. Bibee's team has a record of 3-7 this season when he starts and they are the favorite on the moneyline. The Diamondbacks have a 2-2-0 ATS record in Bratt's four starts that had a set spread. The Diamondbacks are 2-1 in Bratt's three 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 (56.8%)

Guardians vs Diamondbacks Moneyline

• The moneyline numbers for Guardians vs. Diamondbacks reveal Cleveland as the favorite (-138) and Arizona as the underdog (+126) on the road.

Guardians vs Diamondbacks Spread

• The Diamondbacks are at +1.5 on the runline against the Guardians. The Diamondbacks are -178 to cover the spread, and the Guardians are +146.

Guardians vs Diamondbacks Over/Under

• The over/under for Guardians-Diamondbacks on July 31 is 8.5. The over is -118, and the under is -104.

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Guardians vs Diamondbacks Betting Trends

• The Guardians have come away with 28 wins in the 55 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 104 opportunities.
• The Guardians are 51-53-0 against the spread in their 104 games that had a posted line this season.
• The Diamondbacks have been the underdog on the moneyline 59 total times this season. They've finished 25-34 in those games.
• Arizona is 10-10 (winning 50% of its games) when it has played as a moneyline underdog of +126 or longer.
• The Diamondbacks have played in 108 games with an over/under set, and have combined with their opponents to go over the total 46 times (46-58-4).
• The Diamondbacks have a 57-51-0 record against the spread this season (covering 52.8% of the time).

Guardians Player Leaders

• Chase DeLauter has 96 hits and an OBP of .351, both of which lead Cleveland hitters this season. He has a .280 batting average and a slugging percentage of .440.
• He is 31st in batting average, 42nd in on-base percentage, and 62nd in slugging among all qualified hitters in MLB.
• Brayan Rocchio has hit nine homers this season while driving in 50 runs. He's batting .265 this season and slugging .394 with an on-base percentage of .326.
• Among qualifying hitters, his batting average ranks him 56th, his on-base percentage 78th, and his slugging percentage 109th.
• Jose Ramirez has 71 hits this season and has a slash line of .237/.332/.398.
• Steven Kwan has been key for Cleveland with 85 hits, an OBP of .348 plus a slugging percentage of .305.

Diamondbacks Player Leaders

• Ketel Marte has accumulated a team-high .452 slugging percentage. He's batting .253 with an on-base percentage of .306.
• Including all qualifying hitters, he ranks 78th in batting average, while his on-base percentage ranks 116th and he is 54th in slugging.
• Marte takes a four-game hitting streak into this game. During his last five outings he is batting .174 with a double, a home run, a walk and an RBI.
• Corbin Carroll has 98 hits to pace his team. He has a batting average of .249 while slugging .480 with an on-base percentage of .343.
• He ranks 85th in batting average, 55th in on-base percentage and 30th in slugging percentage in the majors.
• Geraldo Perdomo has put up a team-best .350 on-base percentage.
• Gabriel Moreno is batting .308 with 18 doubles, eight home runs and 40 walks.