Dan Jennings vs. John Keefe — Career Comparison

Looking at the career totals, Dan Jennings and John Keefe are fairly close on the surface numbers. John Keefe posted stronger numbers in WHIP (1.428 vs 1.486) and home runs allowed (0.23 per nine innings vs 0.65). Dan Jennings had the advantage in ERA (3.1 vs 4.32). By the career numbers, John Keefe 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.