Javi Martinez aware of Real Madrid threat

Bayern Munich midfielder Javi Martinez has insisted that the German outfit will have to be at their best to overcome Real Madrid in the semi-finals of the Champions League.

Bayern travel to the Bernabeu for the first leg of their last-four clash on Wednesday, before the pair meet in the reverse match next week.

"We'll have to control the counter-attacks they generate," he told reporters.

"They're very fast on the counter. They have very fast players who mount their counter-attacks against you and can score goals. That's what we'll have to be most vigilant about."

Martinez was a regular opponent of Madrid during his time with Athletic Bilbao.