Rangers vs Diamondbacks Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 13

Odds updated as of 2:11 p.m.

The Texas Rangers will take on the Arizona Diamondbacks in MLB action on Wednesday.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the vital information regarding this matchup.

Rangers vs Diamondbacks Game Info

• Texas Rangers (61-60) vs. Arizona Diamondbacks (58-62)
• Date: Wednesday, August 13, 2025
• Time: 2:35 p.m. ET
• Venue: Globe Life Field -- Arlington, Texas
• Coverage: MLB Network, RSN, and ARID

Rangers vs Diamondbacks Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: TEX: (-152) | ARI: (+128)
• Spread: TEX: -1.5 (+130) | ARI: +1.5 (-156)
• Total: 8.5 -- Over: (-122) | Under: (-100)

Rangers vs Diamondbacks Probable Starting Pitchers

Probable Pitchers: Merrill Kelly (Rangers) - 9-7, 3.37 ERA vs Zac Gallen (Diamondbacks) - 9-12, 5.31 ERA

This contest's pitching matchup is set, as the Rangers will send Merrill Kelly (9-7) to the mound, while Zac Gallen (9-12) will answer the bell for the Diamondbacks. Kelly's team is 10-11-0 against the spread in his starts this season. Kelly's team has a record of 7-5 this season when he starts and they are the favorite on the moneyline. The Diamondbacks are 10-14-0 against the spread when Gallen starts. The Diamondbacks have been the moneyline underdog in 10 of Gallen's starts this season, and they went 5-5 in those matchups.

Rangers vs Diamondbacks Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Rangers win (53.6%)

Rangers vs Diamondbacks Moneyline

• Looking at the moneyline for Diamondbacks-Rangers, Arizona is the underdog at +128, and Texas is -152 playing at home.

Rangers vs Diamondbacks Spread

• The Diamondbacks are at the Rangers, and are +1.5 on the runline. The Diamondbacks are +130 to cover the spread, and the Rangers are -156.

Rangers vs Diamondbacks Over/Under

• The over/under for the Rangers versus Diamondbacks game on Aug. 13 has been set at 8.5, with -122 odds on the over and -100 odds on the under.

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Rangers vs Diamondbacks Betting Trends

• The Rangers have come away with 37 wins in the 57 contests they have been listed as the favorites in this season.
• This season Texas has been victorious 19 times in 25 chances when named as a favorite of at least -152 on the moneyline.
• The Rangers' games have gone over the total in 50 of their 120 opportunities.
• The Rangers have an against the spread mark of 64-56-0 in 120 games with a line this season.
• The Diamondbacks have been the underdog on the moneyline 46 total times this season. They've finished 20-26 in those games.
• Arizona has a record of 7-3 when it has played as a moneyline underdog with odds of +128 or longer (70%).
• The Diamondbacks have played in 116 games with a set over/under, and have combined with opponents to go over the total 58 times (58-52-6).
• The Diamondbacks have covered 47.4% of their games this season, going 55-61-0 ATS.

Rangers Player Leaders

• Marcus Semien has 15 doubles, a triple, 13 home runs and 47 walks while hitting .224. He has an on-base percentage of .298 and a slugging percentage of .350.
• Among qualifying batters in MLB, he is 149th in batting average, 140th in on-base percentage, and 149th in slugging.
• Corey Seager leads Texas with 87 hits and an OBP of .370 this season. He's batting .264 and slugging .468.
• His batting average ranks 63rd among qualified players, his on-base percentage 16th, and his slugging percentage 42nd.
• Josh Smith has hit nine homers with a team-high .402 SLG this season.
• Smith heads into this game with two games in a row with at least one hit. In his last five games he is batting .231 with a double and a walk.
• Wyatt Langford has 16 home runs, 48 RBI and a batting average of .242 this season.
• Langford has safely hit in four straight games. During his last five outings he is batting .222 with a home run, two walks and four RBIs.

Diamondbacks Player Leaders

• Geraldo Perdomo has racked up a team-high .437 slugging percentage. He's batting .286 with an on-base percentage of .384.
• Including all qualified hitters, he ranks 19th in batting average, while his on-base percentage is sixth and he is 74th in slugging.
• Perdomo heads into this game on a nine-game hitting streak. In his last 10 games he is hitting .395 with four doubles, a home run, eight walks and three RBIs.
• Corbin Carroll has collected 103 hits to lead his team. He has a batting average of .248 while slugging .554 with an on-base percentage of .321.
• He ranks 104th in batting average, 96th in on-base percentage and sixth in slugging percentage in the big leagues.
• Ketel Marte a has .393 on-base percentage to lead the Diamondbacks.
• Lourdes Gurriel Jr. has 22 doubles, two triples, 14 home runs and 27 walks while hitting .244.

Rangers vs Diamondbacks Head to Head

• 8/12/2025: 3-2 ARI (Favorite: Rangers, Spread: -1.5, Total: 8.5, Favorite Moneyline: -152, Underdog Moneyline: +128)
• 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)

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