Frank Gregory vs. Mike Thompson — Career Comparison

Looking at the career totals, Frank Gregory and Mike Thompson are fairly close on the surface numbers. Frank Gregory posted stronger numbers in ERA (4.6 vs 5.27) and home runs allowed (0 per nine innings vs 1.25). Mike Thompson had the advantage in WHIP (1.533 vs 1.660). By the career numbers, Frank Gregory 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.