Today's starting pitching matchup features Arizona Diamondbacks's Michael Soroka (5-2, 3.53 ERA) against Colorado Rockies's Michael Lorenzen (2-5, 6.55 ERA).

Arizona Diamondbacks's Michael Soroka posts an league-average 3.53 ERA this season, while Michael Lorenzen has been struggling at 6.55. There is a clear gap in starting pitching quality.

Advanced metrics: Michael Soroka — FIP 3.17, K% 25.4%, 43.3 IP / Michael Lorenzen — FIP 4.92, K% 14.7%, 44.0 IP

2026 season record: Arizona Diamondbacks 21-23 (.477), Colorado Rockies 18-28 (.391).

Arizona Diamondbacks holds the edge in the season standings, though Colorado Rockies can't be counted out based on head-to-head matchups.

Recent form: Arizona Diamondbacks on a 1-game losing streak, Colorado Rockies on a 1-game win streak.

Based on starting pitching, Arizona Diamondbacks holds the edge.

Coors Field (5,280 ft elevation) is the most hitter-friendly park in MLB. Expect elevated scoring.

Arizona Diamondbacks bullpen: 13 relievers on the active roster. Key arms: Brandon Pfaadt 5.29 ERA, 27K in 32.1IP, Brandyn Garcia 1.59 ERA, 6K in 5.2IP, Eduardo Rodriguez 2.53 ERA, 39K in 53.1IP.

Colorado Rockies bullpen: 13 relievers on the active roster. Key arms: Antonio Senzatela 1.27 ERA, 25K in 28.1IP, Brennan Bernardino 4.15 ERA, 13K in 17.1IP, Jaden Hill (Setup) 3.31 ERA, 18K in 16.1IP.

Projected win probability: Arizona Diamondbacks 63% vs Colorado Rockies 37%

Factors: Arizona Diamondbacks's starter owns the lower ERA, Colorado Rockies's home-field advantage. Of course, baseball's inherent randomness means actual results may differ.

Workload comparison: Michael Soroka averages 5.4 IP per start vs. Michael Lorenzen at 4.9 IP. Getting six-plus innings from the starter significantly eases the bullpen burden.

Coors Field (5,280 ft elevation) is the premier hitter's park in MLB. Scoring runs 30%+ above league average, late-inning comebacks are common here.