1. He also won a record eight year-end championships, 19 Grand Prix Super Series titles, and finished his career with 77 ATP-listed singles titles and 78 in doubles.
2. McEnroe is known for his shot-making artistry and volleying skills; for his rivalries with Björn Borg, Jimmy Connors and Ivan Lendl; and for his confrontational on-court behavior, which frequently landed him in trouble with umpires and tennis authorities.
3. His match record of 82–3 in 1984 remains the best single season win rate of the Open Era.
4. McEnroe is a former Captain of the United States Davis Cup team and as a player was part of five Cup-winning teams.
5. He continues to play tennis and competes in senior events on the ATP Champions Tour.
6. He was inducted into the International Tennis Hall of Fame in 1999 and received the Philippe Chatrier Award in 2007.
7. After his tennis career he became a television commentator, a game show host and a chat show host.
8. Additionally, he has appeared in several films and television shows as himself and has played music live.
9. He has been married since 1997 to musician and former Scandal lead singer Patty Smyth, and they have six children between them .
10. McEnroe was born in Wiesbaden, West Germany, to John Patrick McEnroe, Sr. and his wife Kay, née Tresham. by night.
11. He started playing tennis when he was eight years old at the nearby Douglaston Club with his brothers.
12. When he was nine, his parents enrolled him in the Eastern Lawn Tennis Association, and he soon started playing regional tournaments.
13. He then began competing in national juniors tournaments, and at twelve—when he was ranked seven in his age group—he joined the Port Washington Tennis Academy, Long Island, New York. McEnroe attended Trinity School and graduated in 1977.
14. As an 18-year-old amateur in 1977, McEnroe won the mixed doubles at the French Open with Mary Carillo, and then made it through the qualifying tournament and into the main draw at Wimbledon, where he lost in the semifinals to Jimmy Connors in four sets.
15. It was the best performance by a qualifier at a Grand Slam tournament and a record performance by an amateur in the open era.
16. After Wimbledon in 1977, McEnroe entered Stanford University and won the National Collegiate Athletic Association singles and team titles in 1978.
17. Later in 1978, he joined the ATP tour and signed his first professional endorsement deal, with Sergio Tacchini.
18. He again advanced to the semi-finals at a Grand Slam, this time the US Open, losing again to Connors.