Scottie Scheffler would be happy to complete the career Grand Slam on his first attempt, but if you’re thinking it’s his main motivation heading into the U.S. Open this week, you’d be sorely mistaken.  The world No. 1 arrived on the east end of Long Island one major shy of joining the ranks of some of golf’s biggest names, after having won the Masters twice, a PGA Championship and the Open Championship. On Sunday, Scheffler could find himself on the verge of winning the only missing major from