Evan Sisk vs. George Spencer — Career Comparison

Looking at the career totals, Evan Sisk and George Spencer are fairly close on the surface numbers. Evan Sisk posted stronger numbers in ERA (3.57 vs 4.05) and home runs allowed (0.51 per nine innings vs 1.43). George Spencer had the advantage in WHIP (1.333 vs 1.472). By the career numbers, Evan Sisk 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.