Heath trialled with Norwich City's Under-18s playing in their
3-1 defeat to Blackburn Rovers' Under-18s on 5th November 2012.
Harrison is the son of former Everton player Adrian Heath and
has played for Orlando City, Central Florida Kraze and the Houston
Dynamo junior side, managed by Paul Dalglish.
He also had a trial with Everton in the summer of 2012.
He joined the Canaries as a first year scholar in the summer
Harrison was released at the end of the 2013/14 season
On 17th July 2014, he signed for the Orlando City S.C. managed by
his father. They currently play in the USL Professional Division
but will move to the MLS in 2015
On 11th December 2016 Heath was traded to MLS newcomers Atlanta United FC in exchange for a fourth-round pick in the 2019 MLS SuperDraft.
On June 30th 2017 he was loaned to USL side Sacramento Republic until the end of November 2017.