Born in London, He played one league game for
Aveley in October 2011, then moved to
St Albans City in February 2012, and
Barton Rovers in September 2012. In February 2013 he trialled with American club
Tampa Bay Rowdies. At the start of the 2013–14 season Blackwood signed for Thurrock. He was released at the turn of 2013. In the summer of 2014 he was signed by
Cheshunt, and by
Haringey Borough in the summer of 2015. ==International career==