Complex sentence: Two weeks prior to the 2007 Poinsettia Bowl, Johnson left Navy to coach the Georgia Tech Yellow Jackets and was replaced by Ken Niumatalolo, who has led the team to bowl games in four out of the last five seasons.
Split into simpler sentences: Two weeks prior to the 2007 Poinsettia Bowl, Johnson left Navy to coach the Georgia Tech Yellow Jackets. He was replaced by Ken Niumatalolo, who has led the team to bowl games in four out of the last five seasons.