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

Odds updated as of 7:12 p.m.

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

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

Rangers vs Diamondbacks Game Info

• Texas Rangers (19-22) vs. Arizona Diamondbacks (20-20)
• Date: Tuesday, May 12, 2026
• Time: 8:05 p.m. ET
• Venue: Globe Life Field -- Arlington, Texas
• Coverage: RSN and Dbacks.TV

Rangers vs Diamondbacks Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: TEX: (-124) | ARI: (+106)
• Spread: TEX: -1.5 (+168) | ARI: +1.5 (-205)
• Total: 8 -- Over: (-104) | Under: (-118)

Rangers vs Diamondbacks Probable Starting Pitchers

Probable Pitchers: MacKenzie Gore (Rangers) - 2-3, 5.18 ERA vs Zac Gallen (Diamondbacks) - 1-3, 4.70 ERA

This contest's pitching matchup is set, as the Rangers will send MacKenzie Gore (2-3) to the mound, while Zac Gallen (1-3) will get the nod for the Diamondbacks. Gore and his team are 2-6-0 ATS this season when he starts. Gore's team is 1-2 this season when he starts and they are the moneyline favorite. The Diamondbacks have gone 5-3-0 against the spread when Gallen starts. The Diamondbacks have been the moneyline underdog in five of Gallen's starts this season, and they went 2-3 in those games.

Rangers vs Diamondbacks Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Rangers win (55.1%)

Rangers vs Diamondbacks Moneyline

• Looking at the moneyline for Rangers-Diamondbacks, Texas is the favorite at -124, and Arizona is +106 playing on the road.

Rangers vs Diamondbacks Spread

• The Rangers are hosting the Diamondbacks and are favored by 1.5 runs (+168 to cover) on the runline. Arizona is -205 to cover.

Rangers vs Diamondbacks Over/Under

• A combined run total of 8 has been set for Rangers-Diamondbacks on May 12, with the over at -104 and the under at -118.

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Rangers vs Diamondbacks Betting Trends

• The Rangers have been favorites in 14 games this season and have come away with the win eight times (57.1%) in those contests.
• Texas has a record of 4-4 when favored by -124 or more this year.
• The Rangers and their opponents have gone over the total this season in 15 of their 41 opportunities.
• In 41 games with a line this season, the Rangers have a mark of 22-19-0 against the spread.
• The Diamondbacks have won nine of the 25 games they were the underdog on the moneyline this season (36%).
• When playing as a moneyline underdog with odds of +106 or longer, Arizona has a 9-12 record (winning 42.9% of its games).
• The Diamondbacks have had an over/under set by bookmakers 40 times, and have combined with opponents to go over the total in 20 of those games (20-18-2).
• The Diamondbacks have a 25-15-0 record against the spread this season.

Rangers Player Leaders

• Josh Jung has 46 hits and an OBP of .372 to go with a slugging percentage of .510. All three of those stats are tops among Texas hitters this season. He has a .322 batting average, as well.
• Among all qualified hitters, he ranks seventh in batting average, his on-base percentage ranks 34th, and he is 27th in slugging.
• Brandon Nimmo is hitting .276 with seven doubles, a triple, four home runs and 17 walks. He's slugging .414 with an on-base percentage of .358.
• He is 50th in batting average, 50th in on-base percentage and 75th in slugging among qualifying batters.
• Corey Seager has 28 hits this season and has a slash line of .189/.299/.372.
• Evan Carter is batting .174 with a .303 OBP and 13 RBI for Texas this season.

Diamondbacks Player Leaders

• Ildemaro Vargas has accumulated a team-best slugging percentage (.554) and leads the Diamondbacks in hits (43). He's batting .331 and with an on-base percentage of .356.
• Including all qualifying hitters in the big leagues, he is fourth in batting average, 52nd in on-base percentage and 16th in slugging percentage.
• Corbin Carroll has a .361 on-base percentage to lead his team. He has a batting average of .261 while slugging .500.
• Including all qualified hitters, he ranks 66th in batting average, 47th in on-base percentage and 32nd in slugging percentage.
• Geraldo Perdomo has six doubles, three triples, two home runs and 23 walks while batting .228.
• Nolan Arenado has four doubles, six home runs and 10 walks while hitting .273.

Rangers vs Diamondbacks Head to Head

• 5/11/2026: 1-0 ARI (Favorite: Rangers, Spread: -1.5, Total: 7.5, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 9/3/2025: 2-0 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 8.5, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 9/2/2025: 5-3 ARI (Favorite: Diamondbacks, Spread: -1.5, Total: 9.5, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 9/1/2025: 7-5 TEX (Favorite: Diamondbacks, Spread: -1.5, Total: 9, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 8/13/2025: 6-4 ARI (Favorite: Rangers, Spread: -1.5, Total: 7.5, Favorite Moneyline: -144, Underdog Moneyline: +122)
• 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)

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