Paul Merson appears to have been completely bamboozled by West Ham as they head to Nottingham Forest this weekend. The match between West Ham and Nottingham Forest says everything about the unpredictable nature of the Premier League. Before the season began, West Ham were being backed to challenge for Europe. Meanwhile many felt Nottingham Forest might be in a battle for survival. But at the quarter-way stage of the season, Nottingham Forest are just two points off third-placed Arsenal and have lost only one game. Down in east London, though, the 13th placed Hammers have struggled after a big …