Rangers vs Diamondbacks Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 12

Odds updated as of 5:15 a.m.

On Tuesday in MLB, the Texas Rangers are playing the Arizona Diamondbacks.

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

Rangers vs Diamondbacks Game Info

• Texas Rangers (61-59) vs. Arizona Diamondbacks (57-62)
• Date: Tuesday, August 12, 2025
• Time: 8:05 p.m. ET
• Venue: Globe Life Field -- Arlington, Texas
• Coverage: RSN and ARID

Rangers vs Diamondbacks Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: TEX: (-142) | ARI: (+120)
• Spread: TEX: -1.5 (+146) | ARI: +1.5 (-178)
• Total: 8.5 -- Over: (-120) | Under: (-102)

Rangers vs Diamondbacks Probable Starting Pitchers

Probable Pitchers: Jack Leiter (Rangers) - 7-6, 4.05 ERA vs Anthony DeSclafani (Diamondbacks) - 1-2, 4.20 ERA

This contest's pitching matchup is set, as the Rangers will send Jack Leiter (7-6) to the mound, while Anthony DeSclafani (1-2) will take the ball for the Diamondbacks. Leiter and his team have a record of 12-8-0 against the spread when he starts. Leiter's team has been victorious in 60% of the games he's started as the moneyline favorite with a record of 3-2. The Diamondbacks have a 1-2-0 record against the spread in DeSclafani's starts. The Diamondbacks were the moneyline underdog for two DeSclafani starts this season -- they lost both.

Rangers vs Diamondbacks Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Diamondbacks win (54.5%)

Rangers vs Diamondbacks Moneyline

• Arizona is the underdog, +120 on the moneyline, while Texas is a -142 favorite at home.

Rangers vs Diamondbacks Spread

• The Rangers are hosting the Diamondbacks and are favored by 1.5 runs on the spread. The Rangers are +146 to cover the runline, with the Diamondbacks being -178.

Rangers vs Diamondbacks Over/Under

• A total of 8.5 runs has been set for the Rangers-Diamondbacks contest on Aug. 12, with the over available at -120 and the under at -102.

Bet on Texas Rangers vs. Arizona Diamondbacks on FanDuel today!

Rangers vs Diamondbacks Betting Trends

• The Rangers have come away with 37 wins in the 56 contests they have been listed as the favorites in this season.
• These are the best odds of a victory sportsbooks have given Texas this season, with a -142 moneyline set for this game.
• The Rangers' games have gone over the total in 50 of their 119 opportunities.
• The Rangers have an against the spread mark of 64-55-0 in 119 games with a line this season.
• The Diamondbacks have been the moneyline underdog 45 total times this season. They've gone 19-26 in those games.
• Arizona has not yet played a game with moneyline odds of +120 or longer.
• The Diamondbacks have played in 115 games with an over/under set, and have combined with opponents to go over the total 58 times (58-51-6).
• The Diamondbacks are 54-61-0 ATS this season.

Rangers Player Leaders

• Marcus Semien is batting .226 with 15 doubles, a triple, 13 home runs and 47 walks. He has an on-base percentage of .301 and a slugging percentage of .352.
• Among all qualified hitters in MLB, he is 148th in batting average, 133rd in on-base percentage, and 150th in slugging.
• Corey Seager leads Texas with 87 hits and an OBP of .373 this season. He's batting .268 and slugging .474.
• Among all qualifying hitters, he is 56th in batting average, 15th in on-base percentage and 37th in slugging percentage.
• Josh Smith leads Texas in slugging percentage (.402) powered by 31 extra-base hits.
• Wyatt Langford has been key for Texas with 90 hits, an OBP of .323 plus a slugging percentage of .414.
• Langford takes a three-game hitting streak into this matchup. In his last five games he is hitting .167 with a home run, two walks and four RBIs.

Diamondbacks Player Leaders

• Geraldo Perdomo has a slugging percentage of .436, a team-best for the Diamondbacks. He's batting .286 with an on-base percentage of .385.
• Including all qualifying hitters in MLB, he ranks 21st in batting average, seventh in on-base percentage and 73rd in slugging percentage.
• Perdomo enters this game on an eight-game hitting streak. In his last 10 outings he is batting .395 with three doubles, a home run, eight walks and three RBIs.
• Corbin Carroll's 103 hits pace his team. He has a batting average of .251 while slugging .561 with an on-base percentage of .325.
• Including all qualifying hitters, his batting average places him 95th, his on-base percentage ranks 80th, and he is sixth in slugging.
• Ketel Marte has an on-base percentage of .390, a team-best for the Diamondbacks.
• Lourdes Gurriel Jr. is batting .246 with 22 doubles, two triples, 14 home runs and 26 walks.

Rangers vs Diamondbacks Head to Head

• 8/11/2025: 7-6 TEX (Favorite: Rangers, Spread: -1.5, Total: 7.5, Favorite Moneyline: -166, Underdog Moneyline: +140)
• 9/11/2024: 14-4 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -164, Underdog Moneyline: +138)
• 9/10/2024: 6-0 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 7.5, Favorite Moneyline: -174, Underdog Moneyline: +146)
• 5/29/2024: 6-1 TEX (Favorite: Rangers, Spread: -1.5, Total: 9, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 5/28/2024: 4-2 TEX (Favorite: Rangers, Spread: -1.5, Total: 8.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 11/1/2023: 5-0 TEX (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 10/31/2023: 11-7 TEX (Favorite: Diamondbacks, Spread: -1.5, Total: 9.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 10/30/2023: 3-1 TEX (Favorite: Rangers, Spread: -1.5, Total: 9, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 10/28/2023: 9-1 ARI (Favorite: Rangers, Spread: -1.5, Total: 9, Favorite Moneyline: -154, Underdog Moneyline: +130)
• 10/27/2023: 6-5 TEX (Favorite: Rangers, Spread: -1.5, Total: 8.5, Favorite Moneyline: -158, Underdog Moneyline: +134)

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