Chris Smalling says tougher penalties are required to deter football fans from discriminatory behaviour.
With David de Gea yet to pledge his long-term future to Manchester United, Edwin van der Sar weighed into the situation.
Having won the Europa League three years in a row with Sevilla, Arsenal head coach Unai Emery has hailed the tournament's importance.
Stand a chance to win a pair of Atletico and Real jersey, just by taking part in our competition!
UEFA has charged Atletico Madrid and Marseille with a series of alleged offences in the Europa League final, including an illicit banner.
Dimitri Payet was forced off through injury during the Europa League final, but Rudi Garcia said: "You have to take risks".
Atletico Madrid won the Europa League with a 3-0 victory over Marseille, as Antoine Griezmann played a starring role.