Colorado Rockies vs Arizona Diamondbacks Preview
Today's Starting Matchup
Today's starting pitching matchup features Colorado Rockies's Jose Quintana (2-2, 4.08 ERA) against Arizona Diamondbacks's Ryne Nelson (1-3, 5.19 ERA).
Colorado Rockies's Jose Quintana posts an league-average 4.08 ERA this season, while Ryne Nelson has been shaky at 5.19. There is a clear gap in starting pitching quality.
Advanced metrics: Jose Quintana — FIP 5.42, K% 11.7%, 39.7 IP / Ryne Nelson — FIP 5.06, K% 20.6%, 52.0 IP
Team Season Comparison
2026 season record: Colorado Rockies 20-33 (.377), Arizona Diamondbacks 27-24 (.529).
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 1-game losing streak, Arizona Diamondbacks on a 1-game win streak.
Based on starting pitching, Colorado Rockies holds the edge.
Bullpen Analysis
Colorado Rockies bullpen: 13 relievers on the active roster. Key arms: Antonio Senzatela 1.13 ERA, 26K in 32.0IP, Brennan Bernardino 3.72 ERA, 14K in 19.1IP.
Arizona Diamondbacks bullpen: 13 relievers on the active roster. Key arms: Brandon Pfaadt 5.60 ERA, 27K in 35.1IP, Brandyn Garcia 1.17 ERA, 7K in 7.2IP, Eduardo Rodriguez 2.24 ERA, 43K in 60.1IP.