Ed Connolly vs. Jerry Robertson — Career Comparison

Looking at the career totals, Ed Connolly and Jerry Robertson are fairly close on the surface numbers. Jerry Robertson posted stronger numbers in ERA (3.94 vs 5.88) and WHIP (1.559 vs 1.885). Ed Connolly had the advantage in home runs allowed (0.62 per nine innings vs 0.83). By the career numbers, Jerry Robertson 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.