Complex sentence: John Louis Gonzaga (March 6,1933--May 17,2007) was an American football offensive lineman in the National Football League for the San Francisco 49ers, Dallas Cowboys, and the Detroit Lions.
Split into simpler sentences: John Louis Gonzaga (March 6,1933--May 17,2007) was an American football offensive lineman in the National Football League. He played for the San Francisco 49ers, Dallas Cowboys, and the Detroit Lions.