John Lackey vs. Frank Stewart — Career Comparison

Looking at the career totals, John Lackey and Frank Stewart are fairly close on the surface numbers. John Lackey posted stronger numbers in ERA (3.92 vs 9) and WHIP (1.306 vs 2.250). Frank Stewart had the advantage in home runs allowed (0 per nine innings vs 1.01). By the career numbers, John Lackey 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.