Crystal Palace and Everton head for replay after Dominic Calvert-Lewin red card

When you are in a relegation dogfight, the FA Cup is usually either a brief distraction or an opportunity to lift spirits. The one thing it should never be is a genuine hindrance, and yet that is the position Everton suddenly found themselves in after losing both Dominic Calvert-Lewin and Dwight McNeil in the second half here.