He was an accomplished doubles player as well, and finished career with 77 singles championships and 77 more in men's doubles titles. McEnroe was a perennial member of the U. S. Davis Cup team. After retiring as a player, McEnroe coached the Davis Cup team.
Among his Grand Slam titles:Stanford University, and won the NCAA singles title in 1978. McEnroe became famous for his volatile temperament, giving rise to catchphrases such as "You cannot be serious". At first subject to booing by crowds, especially in England, he gradually won their appreciation. In 2001, John McEnroe visited Buckingham Palace at the invitation of Queen Elizabeth II. In 2002, McEnroe published an autobiography. For over a decade, John McEnroe has been a successful tennis commentator and television presenter for NBC, CBS and cable. He lives with his wife, Patty Smyth, and his seven children.