Raleigh Aitchison vs. Tom Knowlson — Career Comparison

Looking at the career totals, Raleigh Aitchison and Tom Knowlson are fairly close on the surface numbers. Raleigh Aitchison posted stronger numbers in ERA (3.01 vs 3.49) and WHIP (1.260 vs 1.579). Tom Knowlson had the advantage in home runs allowed (0.09 per nine innings vs 0.31). By the career numbers, Raleigh Aitchison 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.