Main news from English football on 21st January

On the day when Liverpool and Chelsea did little for their chances of climbing into the Premier League's top four with an uninspiring 0-0 draw as a 2-0 defeat at West Ham pushed Everton closer to relegation, the referee of the clash between Southampton and Aston Villa stopped play because of a non-identified drone. Meanwhile, Mudryk made his Chelsea debut at Anfield against Liverpool. In addition, Roma's Nicolo Zaniolo is on Borussia Dortmund, Tottenham Hotspur and West Ham's agenda.