Patrick Mouratoglou knows as well as anyone how it feels to be around a great champion and working with Serena Williams for years gave him an insight of how the great champions think and work. Williams, a 23-time Grand Slam champion, is 40 and hasn’t played since Wimbledon due to an injury but she is still not ready to retire as she is attempting to make a comeback and make a push for a record-tying 24th Grand Slam title. “I’ve been lucky to work with a lot of great players and champions,” Mouratoglou said on the Joe Pomp show, as quoted on Sportskeeda. “And I’m friends also with great champions, and I can tell clearly that they don’t process the same way as other people at all.They have a different way to process. “One of the things that this very different is …