Unknown Clark vs. Jeff Tesreau — Career Comparison

Looking at the career totals, Unknown Clark and Jeff Tesreau are fairly close on the surface numbers. Jeff Tesreau posted stronger numbers in ERA (2.43 vs 7.5) and WHIP (1.145 vs 1.500). Unknown Clark had the advantage in home runs allowed (0 per nine innings vs 0.2). By the career numbers, Jeff Tesreau 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.