Paul Tierney incorrectly gave Liverpool an uncontested drop ball when he stopped play for a head injury despite Nottingham Forest having the ball. It later emerged that referee Tierney should have given the ball back to Forest minutes before the decisive goal went in, a decision Sky Sports pundit Dean has called a "monumental error' The football Saturday team reacts to scenes at the end of Nottingham Forest's match at home to Liverpool. Nuno Espirito San