Mark Mercer vs. Jeff Tabaka — Career Comparison

On the career pitching numbers, Jeff Tabaka posted a stronger line than Mark Mercer. Jeff Tabaka posted stronger numbers in ERA (4.31 vs 4.7) and WHIP (1.490 vs 1.826). By the career numbers, Jeff Tabaka 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.