Stan Wawrinka puts French Open victory down to new fitness regime

If tennis ever comes up with an “unsung hero” award, Pierre Paganini will surely be among the major contenders. There are key team members behind every multiple Grand Slam champion and Paganini has played a major role in the careers of two such men. The Swiss fitness coach, who is a former footballer and athlete, has been part of Roger Federer’s entourage for 15 years and has also been working more recently with Stan Wawrinka.