Si Johnson vs. Luis Tiant — Career Comparison

Looking at the career totals, Si Johnson and Luis Tiant are fairly close on the surface numbers. Luis Tiant posted stronger numbers in ERA (3.3 vs 4.09) and WHIP (1.214 vs 1.401). Si Johnson had the advantage in home runs allowed (0.47 per nine innings vs 0.89). By the career numbers, Luis Tiant 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.