He was the head coach at Old Dominion from 1990 – 94 . During his time at ODU he led The Monarchs to an overall record of 189 – 86 along with 2 NCAA Regional appearances and a 1994 Colonial Athletic Association championship . McMahon left ODU in 1994 to become Associate Head Coach at Mississippi State McMahon returned to Mississippi State in 1994 to serve as Associate Head Coach under legendary MSU Head Coach Ron Polk with the understanding that he would become the head coach when Polk retired . Polk had essentially picked McMahon as his successor . Following the MSU 's appearance in the 1997 College World Series , Ron Polk retired and McMahon took over as head coach . The McMahon era got off to a fast start at MSU as he led the Diamond Dogs back to the College World Series , marking the first time that MSU had made back to back appearances in Omaha . McMahon 's spent a total of four years as head coach at MSU where his teams compiled an overall record of 164 – 88 and surpassed the 40 win mark 3 times . In 2001 , he led MSU to the SEC Tournament Championship . In total under McMahon MSU appeared in 4 NCAA Regionals , and 2 NCAA Super Regionals to go along with their 1998 College World Series appearance . McMahon left MSU following the 2001 season to become the Head coach at the University of Florida . He was replaced at MSU by the very man that he had replaced four years earlier , Ron Polk
SEC Tournament Championship
2001 Southeastern Conference Baseball Tournament
Pat McMahon (baseball)