By Tim Hanlon BARCELONA, Jan 23 (Reuters) - Less than four years after Sandro Rosell was elected Barcelona president with a record number of votes he has resigned amid concerns over transparency and claims of underhand dealings surrounding Neymar's transfer. It is often said only half in jest that the Barca presidency is the most important job in Catalonia, ahead of the leader of the local government, due to the power the club hold through their fan base and the way they represent the local region. Josep Nunez, president from 1978 to 2000, was criticised for running the club as his own personal business while Rosell's predecessor, Joan Laporta, faced a vote of no confidence which he narrowly survived for not listening to the supporters. At the time, Barca were in crisis on and off the pitch and a new board of young, successful businessmen was elected. More...