Career
He previously played for Bury in the Football League. Harrop spent his youth at the Liverpool Academy, but transferred to the Bury youth team as a teenager. He made his first team debut on 26 March 2011, replacing Kyle Bennett 79 minutes into a goalless draw with Portuguese Vale at Vale Park.
He signed a new two-year contract with Bury in June 2011.
On December 2011 it was announced that Max had signed on a months loan with Conference North side Blyth Spartans. He returned to Bury during February having been recalled by the parent club
In October 2012 Harrop was sent out on loan again, this time to Conference North club Hinckley United, scoring on his debut. Nantwich Town F.C.
On his release from Bury he joined Nantwich Town in the summer of 2013.
He made his debut for The Dabbers against King"s Lynn Town F.C. on August 17, 2013.
Harrop scored his first goal against Stocksbridge Park Steels F.C. on September 7, 2013. Ashton United F.C
On March 14, 2015, he signed for Ashton United. He scored his first goal against Rushall Olympic on April 25, 2015
Ramsbottom United F.C.
Max scored his first goal against Whitby Town F.C on August 26, 2015.