The final tune-up before next week's U.S. Open just happens to be one of the biggest non-major events of the year. Jack Nicklaus' the Memorial Tournament begins Thursday at Muirfield Village, which is also the seventh signature event of the year featuring an elite 73-player field competing for the $20 million purse. Our golf experts preview the event and provide their favorite prop picks along with best bets to win this week. THE MEMORIAL TOURNAMENT Location: Dublin, Ohio, June 6-9 Course: Muirfield Village Golf Club (Par 72, 7,571 Yards) Purse: $20M (Winner: $4M) Defending Champion: Viktor Hovland FedEx Cup Leader: Scottie Scheffler HOW TO FOLLOW TV: Thursday-Friday: 2-6 p.m. ET (Golf Channel); Saturday-Sunday: 12:30-2:30 p.m. (GC), 2:30-6 p.m. (CBS) Streaming (ESPN+…