sentences:  On January 2, 2013, Holt was named defensive coordinator at Western Kentucky, under new head coach Bobby Petrino, hired by WKU after Willie Taggart left for South Florida.Holt and Petrino served together on Smith's staff at Idaho in 1990 and 1991 and again at Louisville in 1998.After Petrino left following the 2013 season, Holt turned down the offer to follow Petrino to Louisville.