Real Madrid left-back Marcelo will miss the European champions' huge Champions League clash at Borussia Dortmund on Tuesday due to a calf injury.

The Brazilian limped off in the first-half of Real's 1-1 draw with Villarreal on Wednesday and is expected to be out for at least two weeks.

"He has been diagnosed with a grade two muscle strain in the soleus muscle of his right calf," Madrid said in a statement on Friday.

“His recovery will continue to be monitored."