The world’s No. 1 player will be back to defend his title at the Travelers Championship this summer. Scottie Scheffler has committed to the event in June, the tournament announced Tuesday. Scheffler held off Tom Kim to win the Travelers in a playoff last season, finishing 22-under par. The 28-year-old has made two starts on the PGA Tour so far this season, finishing tied for ninth at the AT&T …