Perez works in the 91 - 94 range with his fastball , and his curveball is one of the best in the minors .
Perez 's raw stuff not only rivals Moore 's , it might be better .
Perez works in the 91 - 94 range with Moore 's fastball , and his curveball is one of the best in the minors .
Perez 's raw stuff not only rivals Moore 's , it might be better .