Jurgen Klopp says lapses in concentration from his players led to Liverpool twice throwing away winning positions in the 2-2 draw at Sunderland on Monday.
The Reds dropped two points at the Stadium of Light as two Jermain Defoe penalties earned a draw for David Moyes' struggling side.
Daniel Sturridge had put the visitors in the lead with 19 minutes on the clock before Defoe responded from the penalty spot six minutes later. In the second half, Liverpool's Sadio Mane went from hero to villain in his last game before departing for the African Nations Cup as he restored the Reds' lead from a corner and then handled in the penalty area to allow Defoe a second from the spot.