Complex sentence: When coach Tuberville resigned from Auburn in 2008, the entire staff was initially released by new head coach Gene Chizik, however on December 26,2008 Willis was retained to again coach linebackers.
Split into simpler sentences: When coach Tuberville resigned from Auburn in 2008, the entire staff was initially released by new head coach Gene Chizik. This changed on December 26,2008, when Willis joined Chizik's new staff at Auburn to again coach linebackers.