Complex sentence: On August 19, during a pre-season football game against the Green Bay Packers, Williams was injured early in the third quarter in his first run of the game, suffering a ruptured patella tendon in his right knee which cost him the entire 2011 season.
Split into simpler sentences: On August 19,2011 during a pre-season football game against the Packers, Williams was injured early in the third quarter in his first run of the game. He suffered from a ruptured patella tendon in his right knee and missed the entire 2011 season.