Aston Villa skipper John McGinn admits it is 'not easy' playing under Unai Emery ahead of Champions League showdown at Camp Nou

Aston Villa captain John McGinn has opened up on the intense tactical demands imposed by head coach Unai Emery as the Midlands club prepare to face Barcelona on Tuesday night. The Scotland international also praised the resilience of his side's new signings after bouncing back from a difficult start to the domestic season. McGinn has hailed the mentality of Villa's younger summer additions after the club lost three of their first four Premier League fixtures, including a heavy 4-0 opening-day defeat away at Brighton and Hove Albion .