After being drafted by Arizona , Eitel was assigned to the Missoula Osprey .
After being drafted by Arizona , Eitel was worked his way through the Diamondbacks ' minor league system , switching from a role as a starter to the bullpen in the 2013 season .
After being drafted by Arizona , Eitel was assigned to the Missoula Osprey and worked his way through the Diamondbacks ' minor league system , switching from a role as a starter to the bullpen in the 2013 season .