Career
Mullen is from Devon, England. Playing as an amateur, he made the cut at the 2013 Open Championship. He and Matthew Fitzpatrick were the only two amateurs to make the cut.
Mullen played on the Great Britain and Ireland team in the 2015 Walker Cup, winning all four of his matches.
Mullen turned professional later in 2015 and made his professional debut at the Alfred Dunhill Links Championship. 2014 The Duncan Putter DNP = Did not play CUT = missed the half-way cut "T" = tied Yellow background for top-10.
Amateur Walker Cup (representing Great Britain & Ireland): 2015 (winners).
