Complex sentence: Gregg was so disgusted that he refused to shake Houston coach Jack Pardee's hand after the game 13 players needed knee surgery after the 1989 season compared to the normal three or four.
Split into simpler sentences: Gregg was so disgusted that he refused to shake Houston coach Jack Pardee's hand after the game. Thirteen players needed knee surgery after the 1989 season compared to the normal three or four.