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Rangers vs Diamondbacks Prediction 8/13/25 MLB Picks Today

Arizona Diamondbacks (58-62) vs. Texas Rangers (61-60)
August 13, 2025 2:35 pm EDT
The Line: Texas Rangers -150 / Arizona Diamondbacks 123; Over/Under: 8.5
(Get latest betting odds)

The Arizona Diamondbacks and Texas Rangers meet Wednesday in MLB action at Globe Life Field. Here’s a Rangers vs Diamondbacks Prediction. This article will include a Rangers vs Diamondbacks Pick.

Arizona Diamondbacks Betting Preview

The Arizona Diamondbacks are 58-62 on the year and play the Rockies, Guardians, and Reds next. The Arizona Diamondbacks are batting .251 on the season, have a .326 OBP, and a .441 slugging percentage. The Arizona Diamondbacks pitching staff has a 4.54 ERA and a 1.34 WHIP. Geraldo Perdomo leads the Arizona Diamondbacks with 125 hits and 78 RBI, while Lourdes Gurriel Jr. and Corbin Carroll have combined for 209 hits and 121 RBI.

Zac Gallen gets the ball for the Arizona Diamondbacks, and he is 9-12 with a 5.31 ERA and 130 strikeouts this season. Gallen is 2-1 with a 2.78 ERA and 32 strikeouts in his career against the Texas Rangers.

Texas Rangers Betting Preview

The Texas Rangers are 61-60 on the year and play the Blue Jays, Royals, and Guardians next. The Texas Rangers are batting .232 on the season, have a .300 OBP, and a .375 slugging percentage. The Texas Rangers pitching staff has a 3.30 ERA and a 1.17 WHIP. Josh Smith leads the Texas Rangers with 101 hits and 30 RBI while Marcus Semien and Adolis Garcia have combined for 198 hits and 121 RBI.

Merrill Kelly gets the ball for the Texas Rangers, and he is 9-7 with a 3.38 ERA and 131 strikeouts this season. This will be Kelly’s first career game against the Arizona Diamondbacks.

Why the Texas Rangers will win

  • The Rangers have won nine of their last 10 home games against teams that held a losing record.
  • The Diamondbacks have lost seven of their last eight games against American League opponents that held a winning record.
  • The Rangers have covered the run line in each of their last four day games against NL West opponents.
  • The Diamondbacks have failed to cover the run line in five of their last six day games against AL West opponents that held a winning record.
  • The Rangers have led after 5 innings in seven of their last eight games as favorites against National League opponents.
  • The Rangers have led after 3 innings in each of their last eight day games against National League opponents.

Why the Arizona Diamondbacks will win

  • The Diamondbacks have won seven of their last eight games as underdogs against American League opponents following a road win.
  • The Rangers have lost each of their last four day games against NL West opponents.
  • The Diamondbacks have covered the run line in each of their last 10 games as road underdogs following a win.
  • The Rangers have failed to cover the run line in each of their last five games.
  • The Diamondbacks have led after 3 innings in four of their last five day games against opponents that held a winning record.
  • The Diamondbacks have won the first inning in six of their last eight games.
  • The Diamondbacks have led after 5 innings in nine of their last 10 games.

Texas Rangers Player Prop Facts

  • Corey Seager has hit a home run in three of his last four appearances in day games against NL West teams that held a losing record.
  • Merrill Kelly has recorded six or more strikeouts in each of his last five home appearances against NL West opponents that held a losing record.
  • Wyatt Langford has recorded at least one hit in each of his last 12 home appearances against NL West opponents.
  • Merrill Kelly has recorded a win in four of his last five home appearances against NL West opponents that held a losing record.
  • Adolis Garcia has recorded a Double in four of the Rangers’ last five games as favorites.

Arizona Diamondbacks Player Prop Facts

  • Corbin Carroll has hit a home run in four of the Diamondbacks’ last six games.
  • Zac Gallen has recorded five or more strikeouts in 14 of his last 15 appearances against opponents that held a winning record.
  • Geraldo Perdomo has recorded at least one hit in each of the Diamondbacks’ last nine games.
  • Zac Gallen has recorded a win in five of his last six appearances with the Diamondbacks as underdogs against AL opponents.
  • Corbin Carroll has recorded a Double in three of the Diamondbacks’ last four day games against opponents that held a winning record.
  • Ketel Marte ranks 4th amongst qualified players for On Base Percentage (.393) this season.

Rangers vs Diamondbacks Prediction

The Diamondbacks have picked things up these last couple of weeks and Gallen is finding his form lately, allowing 13 hits and three runs in his last 12 innings. The Rangers are racking up the losses and while Kelly should be motivated to stick it to his former team, the Diamondbacks hitters have seen him up close for seven years. The Diamondbacks should have an idea of what’s coming and have an advantage at the plate. I’ll ride with the Diamondbacks.

Randy Chambers's Free Pick: Arizona Diamondbacks +123

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Randy Chambers

Randy has covered sports betting since 2014 and writes about everything from NFL to WNBA. Follow Randy Chambers on Twitter.

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