Brian Shackelford vs. Tom Thomas — Career Comparison

Looking at the career totals, Brian Shackelford and Tom Thomas are fairly close on the surface numbers. Tom Thomas posted stronger numbers in ERA (3.31 vs 4.11) and home runs allowed (0.52 per nine innings vs 1.17). Brian Shackelford had the advantage in WHIP (1.283 vs 1.355). By the career numbers, Tom Thomas 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.