After Corey Oswalt was drafted, he was assigned to the Kingsport Mets and struggled with an 8.15 ERA in 9 games. Oswalt battled injuries in 2013 with Kingsport and only was able to pitch 13 innings.
Breakout to breakdown:
2014 was his breakout year with the Brooklyn Cyclones where he went 6-2 with a 2.26 ERA in 12 games. He became known for his control and was named a Short Season All-Star by Baseball America.
Oswalt continued his success in 2015 by winning 11 of his 23 starts and putting up a 3.36 ERA. He only walked 21 batters in 128.