Career
Born in Doncaster, Yorkshire, England, pacey front-man Grayson made his debut for Rovers on August 10, 2010 in the Football League Cup clash with Accrington Stanley which ended in a 2–1 home defeat at the Keepmoat Stadium, coming on as a second-half substitute for James Hayter. He was released at the end of the season and joined local side Frickley Athletic. After the season was over, Grayson played a trial match with Superettan side GIF Sundsvall.
After impressing in a trial match Grayson was asked to go for a long term trial but Grayson returned to England.
In 2014 Grayson moved to South Australian side Cumberland Football Club. Grayson scored 8 goals in 12 matches before travelling back for pre season with former club Doncaster Rovers as John Ryan was going to take over the club for a second spell, the takeover fell through and Grayson left the club Grayson went on the play for Stocksbridge Park Steels where he finished top goal scorer for the club with an impressive finish to the season and securing a move to Loyola in the top league of the Philippines, United Football League.
Grayson finished the UFL season on a high scoring 9 goals in 6 league games and scored in every league game he played in.