Jack Fee vs. John Foster — Career Comparison

Looking at the career totals, Jack Fee and John Foster are fairly close on the surface numbers. Jack Fee posted stronger numbers in ERA (4.28 vs 4.9) and home runs allowed (0.45 per nine innings vs 1.63). John Foster had the advantage in WHIP (1.615 vs 1.750). By the career numbers, Jack Fee 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.