Rogelio Armenteros vs. Jake Arrieta — Career Comparison

Looking at the career totals, Rogelio Armenteros and Jake Arrieta are fairly close on the surface numbers. Rogelio Armenteros had the edge in home runs allowed (0.5 per nine innings vs 1.01). By the career numbers, Rogelio Armenteros 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.