Colorado Rockies at Arizona Diamondbacks odds, picks and predictions

The Colorado Rockies (44-76) and Arizona Diamondbacks (67-53) play the 2nd game of a 3-game set at Chase Field Tuesday. First pitch is scheduled for 9:40 p.m. ET (ESPN+). Let's analyze BetMGM Sportsbook's lines around the Rockies vs. Diamondbacksodds and make our expert MLB picks and predictions for the best bets.

Season series: Diamondbacks lead 6-2

Arizona won 5-4 as a -283 favorite in the Monday opener as the total (9) pushed. The Diamondbacks had a win probability of just 21.4% in the 6th inning, acording to ESPN Analytics, and took the lead in the 7th on back-to-back wild pitches by Rockies RP Tyler Kinley.

Rockies SP Bradley Blalock allowed 3 ER on 6 hits with 4 K's in 5 2/3 IP in his team debut -- he was previously with the Milwaukee Brewers -- and his 2nd MLB appearance. Colorado led by as many as 3 runs after 2B Brendan Rodgers hit a solo shot in the 6th inning.

Rockies at Diamondbacks projected starters

LHP Austin Gomber vs. LHP Eduardo Rodriguez

Gomber (3-8, 4.92 ERA) makes his 23rd start. He has a 1.32 WHIP, 2.2 BB/9 and 6.4 K/9 in 119 IP.

• Last start: Loss, 3 IP, 5 ER, 6 H, 1 BB, 1 K in 9-1 home defeat vs. New York Mets Thursday
• 2024 road stats: 2-6, 5.37 ERA (62 IP, 37 ER), 1.39 WHIP, 7.3 K/9 in 12 starts
• 2024 vs. Diamondbacks: 0-0, 5.06 ERA (10 2/3 IP, 6 ER), 1.59 WHIP, 5.9 K/9 in 2 starts
• Career vs. Diamondbacks: 3-0, 5.29 ERA (49 1/3 IP, 29 ER), 1.40 WHIP, 5.3 K/9 in 12 appearances (8 starts)

Rodriguez (1-0, 4.76 ERA) makes his 2nd start. He allowed 3 ER on 4 hits and 2 walks with 1 K in 5 2/3 IP in his season debut, a 5-3 win at the Cleveland Guardians Wednesday.

• Was sidelined with left shoulder strain to begin season
• 2023 stats: 13-9, 3.30 ERA (152 2/3 IP, 56 ER), 1.15 WHIP, 8.4 K/9 in 26 starts
• Career vs. Rockies: 1-0, 6.55 ERA (11 IP, 8 ER), 2.00 WHIP, 12.3 K/9 in 2 starts in 2019

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Rockies at Diamondbacks odds

Provided by BetMGM Sportsbook; access USA TODAY Sports Scores and Sports Betting Odds hub for a full list. Lines last updated at 9:33 a.m. ET.

• Moneyline (ML): Rockies +170 (bet $100 to win $170) | Diamondbacks -210 (bet $210 to win $100)
• Run line (RL)/Against the spread (ATS): Rockies +1.5 (-125) | Diamondbacks -1.5 (+105)
• Over/Under (O/U): 8.5 (O: -120 | U: +100)

Rockies at Diamondbacks picks and predictions

Prediction

Diamondbacks 6, Rockies 4

Moneyline

The Diamondbacks (-210) have won 4 straight games and are 18-5 since the All-Star break. However, it's hard to stay profitable in MLB betting into lines with this much vig.

PASS. Bet the run line and/or total instead.

Run line/Against the spread

Four of Arizona's last 7 games have resulted in multi-run wins for the Diamondbacks, and each victory was against teams that are much better than Colorado -- the Guardians and Philadelphia Phillies.

Four of Colorado's last 8 contests have been Rockies losses by 2 or more runs.

At plus money, BET DIAMONDBACKS -1.5 (+105).

Over/Under

Gomber has allowed 4 or more runs in 8 of his last 11 starts, while the Rockies are 3-0-1 to the Over in their last 4 games. Arizona is 2-0-1 to the Over in its last 3 overall and the 3rd-best Over bet as a home favorite in MLB this season at 28-17-1 (62.2%).

BET OVER 8.5 (-120).

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