Jose Fernandez is currently the only pitcher age 21 or younger with a K-rate of 30% or higher and a sub-2.50 ERA in a single season (min. 50 IP) Didier Fuentes this season at 21 years old: 51.2 IP | 31.4 K% | 2.44 ERA Fuentes has been a WEAPON for the Braves! 🔥 __________________ #mlb #majorleaguebaseball #baseball #mlbnews #braves