Struggling Atletico face an uphill climb against the runaway Serie A leaders after Marko Arnautovic netted the only goal on Simeone's return to Italy to face one of his former teams from his playing days.
Diego Simeone's side stumbled 1-0 in Milan in February in the last 16 first leg clash, with Griezmann spraining his ankle at the San Siro. The French forward missed four games since, of which Atletico have won only once, but has returned to training.
The Spanish side have been training to give their all in Wednesday's decider and fight for a ticket to the Champions League quarter-finals. Take a look at their latest training session.
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