Its no secret that the Cardinals have some power arms in their organization. Its part of the reason that the Cards farm system was rated the best in MLB and also why the Cardinals rotation has been so successful.
But, how do the Cardinals power arms compare to the rest of MLB?
Well, thanks to Fangraphs and Pitch/Fx, we can compare how the Cards pitchers' average fastball velocity compares to others around the majors.
For example, of all pitchers that have pitched at least one inning in the majors, the Cardinals have two pitchers in the top 8 in terms of average velocity, Carlos Martinez at 97.1 mph and Trevor Rosenthal at 96.3 mph. Martinez ranks 4th in average velocity, behind only Bruce Rondon, who has as average velocity of 99.3 mph, but has only pitched 2.1 innings; the "Cuban Missile" Aroldis Chapman, who averages 97.4 mph; and Kevlin Herrera, who averages 97.2 mph.
Looking at those numbers, it easy to understand why the Cardinals want to keep developing Martinez as a s...