West Ham United v Birmingham City - Emirates FA Cup Third Round [Getty Images]

LONDON, ENGLAND - JANUARY 05: Marko Arnautovic of West Ham United argues with Manuel Pellegrini, Manager of West Ham United after being substitute during the FA Cup Third Round match between West Ham United and Birmingham City at The London Stadium on January 5, 2019 in London, United Kingdom. (Photo by Alex Morton/Getty Images)

Getty Images Sport Alex Morton