Paul Merson has backed Aston Villa to narrowly see past Nottingham Forest on Saturday. After suffering three defeats on the bounce at Villa Park in all competitions, Unai Emery is hoping to push his team back to winning ways. But it’s not going to be easy because it’s against a Nottingham Forest side that beat Aston Villa during the reverse fixture and also beat West Ham United last time out. On paper, you would assume Aston Villa should see this one through, with the team pushing for Champions League football and their Midlands opponents looking over their shoulders in the relegation battle. …