Graham Potters first game back in the dugout for 20 months ended not only in an FA Cup exit, after the brightest of starts, but with the loss of two more strikers as West Hams hopes of resuscitating their season received further damage. After his appointment the day before this FA Cup third-round tie, the new West Ham manager saw his team carry out his brief but clear pre-match requests stylishly, as they led through Luca