Cam Booser vs. John Mackinson — Career Comparison

Looking at the career totals, Cam Booser and John Mackinson are fairly close on the surface numbers. Cam Booser posted stronger numbers in ERA (4.28 vs 7.36) and WHIP (1.439 vs 1.773). John Mackinson had the advantage in home runs allowed (1.23 per nine innings vs 1.59). By the career numbers, Cam Booser 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.