crystal palace beat manchester city 2-1 at selhurst park on monday night .
jason puncheon 's free-kick doubled palace 's lead in the second half .
yaya toure was accused of ducking out of the way of the winning goal .
sportsmail 's jamie carragher : ` the rest of them are desperate to be hit with the ball in the face and it 's poor from yaya toure '
gary neville : city have a mentality problem ... they can not sustain success .