Atletico Madrid forward Diego Costa says his side face a tough task to see off Milan in the Champions League Round of 16.
The Rojiblancos hold a 1-0 lead going into the second leg of the tie but the new Spanish international is taking nothing for granted.
“We know it will be a very tough game against Milan,” Costa told Sky Sport.
“They are a good team, even though they lost they played well in the first leg and they will be looking to come back.
“None of us can think we are already through, we know the task we have in front of us because Milan will always be Milan.”
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