Colorado Rockies vs Arizona Diamondbacks Preview
Today's Starting Matchup
Today's starting pitching matchup features Colorado Rockies's Tomoyuki Sugano (4-3, 4.02 ERA) against Arizona Diamondbacks's Michael Soroka (6-2, 3.49 ERA).
Both starters carry similar ERAs, setting the stage for a potential pitchers' duel. WHIP: Tomoyuki Sugano 1.26, Michael Soroka 1.33.
Advanced metrics: Tomoyuki Sugano — FIP 5.48, K% 12.8%, 47.0 IP / Michael Soroka — FIP 2.96, K% 26.2%, 49.0 IP
Team Season Comparison
2026 season record: Colorado Rockies 19-32 (.373), Arizona Diamondbacks 26-23 (.531).
Arizona Diamondbacks holds the edge in the season standings, though Colorado Rockies can't be counted out based on head-to-head matchups.
Run differential: Colorado Rockies -55, Arizona Diamondbacks -1. Both clubs are evenly matched in run production.
Recent form: Colorado Rockies on a 3-game losing streak, Arizona Diamondbacks on a 5-game win streak.
Based on starting pitching, Arizona Diamondbacks holds the edge.
Bullpen Analysis
Colorado Rockies bullpen: 13 relievers on the active roster. Key arms: Antonio Senzatela 1.19 ERA, 26K in 30.1IP, Brennan Bernardino 3.86 ERA, 14K in 18.2IP.
Arizona Diamondbacks bullpen: 13 relievers on the active roster. Key arms: Brandon Pfaadt 5.61 ERA, 27K in 33.2IP, Brandyn Garcia 1.23 ERA, 7K in 7.1IP, Eduardo Rodriguez 2.24 ERA, 43K in 60.1IP.
Win Probability
Projected win probability: Colorado Rockies 46% vs Arizona Diamondbacks 54%
Factors: Arizona Diamondbacks's starter owns the lower ERA, Arizona Diamondbacks's home-field advantage. Of course, baseball's inherent randomness means actual results may differ.
Key Tactical Points
Workload comparison: Tomoyuki Sugano averages 5.2 IP per start vs. Michael Soroka at 5.4 IP. Getting six-plus innings from the starter significantly eases the bullpen burden.