LONDON, ENGLAND - JANUARY 29: Walter Mazzarri, Manager of Watford looks on during The Emirates FA Cup Fourth Round match between Millwall and Watford at The Den on January 29, 2017 in London, England. (Photo by Julian Finney/Getty Images)
LONDON, ENGLAND - JANUARY 29: Walter Mazzarri, Manager of Watford looks on during The Emirates FA Cup Fourth Round match between Millwall and Watford at The Den on January 29, 2017 in London, England. (Photo by Julian Finney/Getty Images)