David Rhys George Best Cotterill (born 4 December 1987) is a Welsh former footballer who plays as a winger. Born in Cardiff, Cotterill began his career at Bristol City before signing for Premier League Wigan Athletic where he spent two seasons before switching to Sheffield United, initially on loan and then later on a permanent deal. He then transferred to Swansea City in his native Wales, before spending a spell on loan at Portsmouth and then joining Barnsley. He had two seasons at Doncaster Rovers before joining Birmingham City. He spent the second half of the 2016–17 season on loan to Bristol City. Cotterill's contract with Birmingham was cancelled by mutual consent in December 2017, and he joined ATK of the Indian Super League. In January 2020, Cotterill came out of retirement to play