#1 Jimmy Connors - 109

With Roger Federer chasing a century, Jimmy Connors is the only tennis player ahead of him, with a grand total of 109 ATP singles titles to his name.
Apart from holding the record of most singles titles won, he also holds the record of having played the most number of matches till-date.
Connors dominated the tennis circuit along with Bjorn Borg in the 1970s and went on to challenge the top players in the 1980s and 1990s as well. He finally retired in 1996.
Out of the 109 titles, he won a total of 7 Grand Slam singles titles, including 5 US Open titles, 2 at Wimbledon, and 1 Australian Open title.
He also coached Andy Roddick from 2006 to 2008. In that period, Roddick reached the final of the 2006 US Open where he lost to Federer. He also coached Maria Sharapova for a brief period later on.
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