Chris Brock vs. John Mackinson — Career Comparison

Looking at the career totals, Chris Brock and John Mackinson are fairly close on the surface numbers. Chris Brock posted stronger numbers in ERA (4.81 vs 7.36) and WHIP (1.510 vs 1.773). John Mackinson had the advantage in home runs allowed (1.23 per nine innings vs 1.5). By the career numbers, Chris Brock 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.