Tony Ferreira vs. Ian Krol — Career Comparison

Looking at the career totals, Tony Ferreira and Ian Krol are fairly close on the surface numbers. Tony Ferreira posted stronger numbers in WHIP (1.412 vs 1.529) and home runs allowed (0 per nine innings vs 1.25). Ian Krol had the advantage in ERA (4.49 vs 7.94). By the career numbers, Tony Ferreira 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.