Arizona Diamondbacks vs Cincinnati Reds Picks and Predictions August 24th 2025

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The Cincinnati Reds are set to play against the Arizona Diamondbacks at Chase Field. The Reds have a record of 67-63 and are third in the NL Central. They are looking to end a three-game losing streak. The Reds have been even in their last ten games, going 5-5. Brady Singer will be on the mound for the Reds, bringing an ERA of 4.18 and a WHIP of 1.30.

The Arizona Diamondbacks have a record of 64-66 and are also third in their division, the NL West. They are on a four-game winning streak and have a 6-4 record in their last ten games. Zac Gallen will start for the Diamondbacks, with an ERA of 5.28 and a WHIP of 1.33. The game will take place on a very hot day with a light breeze, and the retractable roof at Chase Field may be a factor. The game is scheduled for 4:10 PM and will be broadcast on ARID.

Reds vs Diamondbacks Key Information

  • Sport: Baseball
  • Teams: Cincinnati Reds vs. Arizona Diamondbacks
  • Venue: Chase Field in Phoenix, AZ
  • Date: Sunday, August 24, 2025
  • Betting Odds:
    • Reds Moneyline: +113
    • Diamondbacks Moneyline: -132
    • Reds Runline: +1.5 (-187)
    • Diamondbacks Runline: -1.5 (+156)
    • Total Over: 9.0 (-105)
    • Total Under: 9.0 (-115)

The Reds Can Win If…

The Cincinnati Reds are looking to bounce back after a tough 10-1 loss to the Arizona Diamondbacks. In that game, Austin Hays and Elly De La Cruz each had two hits, showing their ability to get on base. Although the Reds struggled, De La Cruz continues to be a key player with a .276 batting average and 19 home runs this season.

Offensively, the Reds rank 10th in batting average and on-base percentage, which shows their ability to get runners on base. Their lineup features several players with solid batting averages, including Noelvi Marte, who boasts a .298 average. With a pitching opponent like Zac Gallen, who has a 5.28 ERA, the Reds have a chance to capitalize on his struggles.

On the mound, Brady Singer will start for the Reds. Singer has a respectable ERA of 4.18 and a record of 11-9, making him a reliable option. The Reds also have a strong defense, ranking 5th in batting average against, which could limit the Diamondbacks’ scoring opportunities.

The Diamondbacks Can Win If…

The Arizona Diamondbacks are coming off a strong 10-1 victory against the Cincinnati Reds. Their offense was on point with 14 hits, including three home runs. Geraldo Perdomo, Blaze Alexander, and Lourdes Gurriel Jr. all had impressive performances, contributing significantly to the win.

Arizona’s batting stats show why they can win. They rank second in slugging percentage at .441 and fourth in home runs with 182. Their ability to hit for power could be key in this game.

Starting pitcher Zac Gallen will take the mound for the Diamondbacks. While his ERA is 5.28, he has the potential to deliver a strong performance. With the team’s recent offensive success, they have a good chance to support Gallen and secure another win.

The Lean

The Diamondbacks are favored to win with a moneyline of -132. The Reds have a moneyline of +113. My model projects the Diamondbacks to win with a score of 5-4. The Diamondbacks have a stronger batting lineup, ranking 2nd in slugging percentage, which gives them an edge in this game.

The total for the game is set at 9.0 runs. My model predicts a combined score of 9 runs, matching the current line. Given the Diamondbacks’ strong hitting and the Reds’ lower pitching rank, the game is likely to hit the over. However, the projection aligns closely with the line, so betting on the total could be risky.

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Reds, D-backs meet in pivotal series finale

The Cincinnati Reds and Arizona Diamondbacks close out their season series on Sunday with a matchup between right-handers Brady Singer and Zac Gallen.

The Reds beat Gallen back on June 8 in Cincinnati, part of a three-game sweep that served as a turning point in their season. Since then, Cincinnati has stayed above .500 and climbed into the NL wild-card chase.

Now, the tables have turned. Arizona has already taken the first two games in Phoenix and will look to become the first team this season to sweep the Reds in a series.

Singer giving Reds stability in rotation

Brady Singer (11-9, 4.18 ERA) has emerged as one of Cincinnati’s most reliable arms. He’s coming off a strong outing against the Los Angeles Angels, tossing six innings of one-run ball for his 11th win — a career high.

Singer’s overall ERA is inflated by a pair of rough starts, but he has been sharp more often than not. He’s 2-0 with a 2.00 ERA in three career starts against Arizona, including back-to-back quality starts in 2022 and 2023.

Key matchups loom: Corbin Carroll (3-for-5 with two extra-base hits) and Alek Thomas (3-for-6) have had success against him, while Ketel Marte has gone hitless in seven career at-bats.

Brady Singer vs D-backs HittersCareer Stats
Corbin Carroll3-for-5, 2 XBH
Alek Thomas3-for-6
Lourdes Gurriel Jr.3-for-7
Ketel Marte0-for-7

Gallen searching for strong finish

For Arizona, Zac Gallen (9-13, 5.28 ERA) has endured a frustrating season. He has already set a career high in losses and has allowed 26 home runs, second-most in the National League.

Still, Gallen has looked sharper in recent weeks, posting three quality starts in his last four outings with a 3.52 ERA in that span. Manager Torey Lovullo credited him with attacking hitters more aggressively and simplifying his approach.

Gallen has faced Cincinnati five times in his career, going 1-2 with a 3.48 ERA. The Reds tagged him for three homers in their June 8 win. Elly De La Cruz, however, has yet to solve Gallen, going 0-for-5 against him.

Zac Gallen Career vs RedsRecordERAHR Allowed
5 starts1-23.485

Playoff stakes rising

The Reds have dropped three straight and now trail the New York Mets by 2.5 games for the final NL wild-card spot. Arizona, meanwhile, has won four straight but remains 5.5 games out.

Both teams are desperate for wins as the wild-card race tightens. Cincinnati is looking to avoid its first series sweep of the season, while Arizona hopes to keep its faint playoff hopes alive.

Fans and bettors can track the latest MLB scores and odds and explore MLB picks for betting insights on this critical matchup.