Chelsea boss Mauricio Pochettino hails Armando Broja's 'amazing potential' but insists the 22-year-old 'needs to push himself' after helping the Blues sink Preston in 4-0 FA Cup thumping

Mauricio Pochettino praised Armando Broja as one of the most promising young strikers in Europe after his goal helped Chelsea to a 4-0 FA Cup third-round win over Preston.