Saturday, December 13, 2025
5-Hour Energy

MLB Game Preview: Arizona Diamondbacks (38-37) vs. Colorado Rockies (17-59)

First pitch is scheduled for 9:10 PM ET / 7:10 PM MT, with live coverage on MLB.TV, Bally Sports Arizona, and AT&T SportsNet Rocky Mountain.

This is the second game of a three-game weekend series, with Arizona taking the opener in a 14–8 slugfest behind Eugenio Suárez’s 300th career home run and a season-high 21 hits. The Diamondbacks have now won three straight and are trying to stay in the NL Wild Card hunt, while the Rockies continue to struggle with the worst record in baseball.

Arizona Diamondbacks: Kelly Anchors Rotation

Record: 38–37 (3rd in NL West)
Last Game: 14–8 win vs Rockies
Probable Starter: Merrill Kelly (6–3, 3.41 ERA)

Strengths:

  • Power Surge: Arizona ranks 3rd in MLB with 108 home runs.
  • Veteran Arm: Kelly is 4–0 with a 1.38 ERA and 40 strikeouts in his last five starts vs Colorado.
  • Balanced Lineup: Five players with 9+ HRs, including Corbin Carroll and Eugenio Suárez.

Key Players:

  • Corbin Carroll: .255 AVG, 20 HRs, 44 RBIs, 10 SBs
  • Josh Naylor: .302 AVG, 9 HRs, 49 RBIs
  • Eugenio Suárez: 22 HRs, 62 RBIs, .244 AVG

Colorado Rockies: Palmquist Seeks Breakthrough

Record: 17–59 (5th in NL West)
Last Game: 8–14 loss vs Diamondbacks
Probable Starter: Carson Palmquist (0–4, 7.76 ERA)

Strengths:

  • Recent Improvement: 8–9 in last 17 games after starting 9–50.
  • Emerging Bats: Hunter Goodman and Jordan Beck provide pop in the middle of the order.
  • Coors Field Factor: Still a dangerous lineup at home despite poor record (7–27).

Key Players:

  • Hunter Goodman: .285 AVG, 14 HRs, 48 RBIs
  • Ryan McMahon: 12 HRs, 3 HRs in last 10 games
  • Jordan Beck: .263 AVG, 9 HRs, 8 SBs

Head-to-Head & Betting Trends

CategoryDiamondbacksRockies
Team Batting Avg.244 (last 10 games).270 (last 10 games)
Team ERA4.34 (last 10 games)5.15 (last 10 games)
Home Runs108 (3rd in MLB)87 (T-18th in MLB)
Last 10 Games6–45–5
Season SeriesD-backs lead 3–1
  • Diamondbacks are 21–11 when hitting 2+ HRs in a game
  • Rockies are 6–12 when hitting 2+ HRs
  • Over 12 total runs has hit in 6 of last 9 Rockies games

Game Odds

Arizona Diamondbacks – 220

Colorado Rockies             12

Odds Courtesy of Sports Odds Direct as of Friday, June 20, 2025

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