John Lannan vs. Basilio Rosell — Career Comparison

Looking at the career totals, John Lannan and Basilio Rosell are fairly close on the surface numbers. John Lannan had the edge in ERA (4.18 vs 4.64). By the career numbers, John Lannan 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.