Three-time Grand Slam runner up Ons Jabeur said on Monday she will sit out this summer’s Paris Olympics to avoid further injury to her knee. Tunisian Jabeur, 29, will miss the Games, between 27 July and 4 August. The competition being played Roland-Garros, meaning a switch back to clay immediately after the grass season and before the hard-court run up to the US Open. Last year Jabeur underwent surgery on her right knee. “After consulting with my medical team regarding attending to the Olympics in Paris, we have decided that the quick change of surface and the body’s adaptation required would …