Andre Jackson vs. Frank Viola — Career Comparison

Looking at the career totals, Andre Jackson and Frank Viola are fairly close on the surface numbers. Frank Viola posted stronger numbers in ERA (3.73 vs 4.25) and home runs allowed (0.93 per nine innings vs 1.31). Andre Jackson had the advantage in WHIP (1.246 vs 1.315). By the career numbers, Frank Viola 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.