Lambert still calls his former Celtic boss â€śgafferâ€ť while match-winner Gabriel Agbonlahor credits Oâ€™Neill with launching his career.
â€śSunderland have the best guy in charge,â€ť said Lambert. â€śI would have absolutely no worries that he will turn it around.
â€śI know that because I played under him for five years.
â€śI know exactly what heâ€™s like and the highest compliment I can pay him is that he and Ottmar Hitzfeld are the best managers Iâ€™ve had.â€ť