John Brown vs. John Mackinson — Career Comparison

Looking at the career totals, John Brown and John Mackinson are fairly close on the surface numbers. John Brown posted stronger numbers in ERA (7.2 vs 7.36) and home runs allowed (0 per nine innings vs 1.23). John Mackinson had the advantage in WHIP (1.773 vs 2.200). By the career numbers, John Brown 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.