Alexander Blessin has been appointed coach of promoted Bundesliga club St Pauli Hamburg, the team said on Thursday. The club didn’t confirm the length of the contract, but media reports said he signed a three-year deal at last season’s German second division champions in a move from Belgium’s Royal Union Saint-Gilloise. Blessin, 51, would succeed Fabian Hürzeler who has joined Premier League club Brighton & Hove Albion. “The club stands for clear values and ambitious work in professional sport, so coaching the team in the Bundesliga after a long time in the second division is a fantastic assig…