The U.S. Open tees off this week at Oakmont Country Club. This is a look at the best first-round leader bets to make for the event on DraftKings Sportsbook. U.S. Open: First Round Leader Picks The U.S. Open is being played at Oakmont Country Club, and it is the third major championship of the year.... The post U.S. Open: First Round Leader Picks, Bets appeared first on DraftKings Network.