Griffin finished runner-up to Scottie Scheffler at the Memorial. Then, Jack Nicklaus said Griffin isn't in the world No. 1's class.

Jack Nicklaus wasted no time in congratulating Rory McIlroy after his win at the Masters on Sunday - and for becoming only the sixth golfer to win the career grand slam.

Griffin finished runner up to Scottie Scheffler at the Memorial. Then, Jack Nicklaus said Griffin isn't in the world No. 1's class.

For the full tribute honoring Medal of Honor Recipients, watch the 2022 National Memorial Day Concert, Sunday, May 29, 8/7c, only on PBS. There are three variations of the Medal of Honor.