Dereck Rodriguez vs. Mike Sirotka — Career Comparison

Looking at the career totals, Dereck Rodriguez and Mike Sirotka are fairly close on the surface numbers. Mike Sirotka posted stronger numbers in ERA (4.31 vs 4.49) and home runs allowed (1.09 per nine innings vs 1.42). Dereck Rodriguez had the advantage in WHIP (1.361 vs 1.427). By the career numbers, Mike Sirotka had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.