Complex sentence: Prior to being named FIU head coach, Cristobal spent two stints at Miami, between 1998-2000 as a graduate assistant and 2004-2006 as tight ends coach and offensive line coach.
Split into simpler sentences: Prior to being named FIU's head coach, Cristobal spent two stints at Miami. From 2004 to 2006, he served as tight ends coach and offensive line coach.