Scottish striker who joined Leeds United in 2010 after spending two seasons with Cardiff City; became a member of the Scottish national team in 2008.
He made his professional soccer debut in 2003 with the Scottish Premier League club Rangers FC.
He played for the Scotland U21 team and Scotland B team before joining the senior team in 2008.
He had a son with his wife Courtney St John.
He was joined by Rodolph Austin on Leeds United in 2012.