Oliver initially did not punish Roberts for the challenge, later sending him off following a review using a pitchside monitor.

Millwall goalkeeper Liam Roberts has seen his ban for his horror challenge on Crystal Palace striker Jean-Philippe Mateta extended. Roberts was shown a straight red card during Saturday’s FA Cup clash between the south London rivals after kicking the Palace star in the head as he attempted to clear the ball eight minutes into the match.

Millwall goalkeeper hit with six-match ban for Jean-Philippe Mateta challenge - An independent regulatory commission upheld the FA’s appeal to increase suspension from three games