Plácido Bernal vs. John Jackson — Career Comparison

Looking at the career totals, Plácido Bernal and John Jackson are fairly close on the surface numbers. John Jackson posted stronger numbers in ERA (6 vs 8.08) and home runs allowed (0.5 per nine innings vs 1.49). Plácido Bernal had the advantage in WHIP (1.772 vs 2.019). By the career numbers, John Jackson 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.