Joan Adon vs. Jean-Pierre Roy — Career Comparison

Looking at the career totals, Joan Adon and Jean-Pierre Roy are fairly close on the surface numbers. Joan Adon posted stronger numbers in ERA (6.66 vs 9.95) and home runs allowed (1.29 per nine innings vs 2.84). Jean-Pierre Roy had the advantage in WHIP (1.579 vs 1.723). By the career numbers, Joan Adon 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.