Janson Junk vs. Frank Viola — Career Comparison

Looking at the career totals, Janson Junk and Frank Viola are fairly close on the surface numbers. Frank Viola had the edge in ERA (3.73 vs 4.86). By the career numbers, Frank Viola 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.