Career
Sow began his career with Crystal Palace, spending loan spells with Finnish club Football Club Honka and English non-league club Farnborough. Sow signed a three-year professional contract with Crystal Palace in April 2012. In May 2014 Sow joined Finnish side Football Club Honka on a three-month loan deal, where he made seven appearances in the Veikkausliiga.
He signed a one-month loan deal with Conference South club Farnborough in January 2015.
On 8 May 2015 it was announced that Sow would not be offered a new contract by Crystal Palace and would leave the club Sow signed for Street Albans City in August 2015, before moving to Dulwich Hamlet in January 2016.