Grayson is a guard out of Tomball, Texas. While at Tomball High Grayson was a two-time First Team All-District Player averaging 22 points, six rebounds, five assist and two steals per game as a senior. Grayson adds key depth to the backcourt and has a veteran presence. While at Gillette, Grayson earned All-Region honors and NJCAA All-Academic team while shooting 50.1 percent from the floor as a sophomore. During his junior year at Albany, Grayson played in 27 games shooting 35.5 percent from the floor, 38.6 from behind the arc and 70.4 from the free throw line. His senior year at Central Oklahoma, Grayson played in 30 games, starting in 28, playing 29 minutes a game, 44.3% from the field goal, 40.4% from the three and 86.4% from the free throw line, 2.5 assists and 11.87 points per game. Grayson has since played for the London City Royals in the B-BBL League.