You have to remember that I played longer than anybody else on the main tour; I played until I was 40, and then played another six years or so on the seniors tour.

Björn Borg
During his best years of 1974 through 1978 Connors was challenged the most by Borg with twelve matches on tour during that time frame. In the open era Connors is one of only six men to win three or more Grand Slam singles titles in a calendar year. Connors is also the only person to win US Open singles championships on grass clay and hard courts.

He was also a runner-up seven times in Grand Slam singles a doubles runner-up with Năstase at the 1973 French Open and a mixed doubles runner-up with Chris Evert at the 1974 US Open. 1 for more than 200 weeks in total and the first male player to be no. Connors won three year-end championship titles including two WCT Finals and one Masters Grand Prix.