Complex sentence: Pete McCulley (November 29,1931--November 25,1992) was the head coach of the San Francisco 49ers for the first nine games of the 1978 season.
Split into simpler sentences: Pete McCulley (November 29,1931--November 25,1992) was an American football coach. He served as the head coach of the National Football League's San Francisco 49ers for the first nine games of the 1978 season.