Atletico Madrid striker Alvaro Morata could miss the Champions League game against Liverpool because of a right leg muscle injury.
Scans revealed the injury on Monday, two days after Morata was hurt in the 1-0 loss at Real Madrid in the Spanish league and had to be substituted in the second half.
Atletico did not say exactly how long Morata is expected to be sidelined. They host Liverpool on February 18 in the first leg of the competition's last 16. The second leg will be on March 3 in England.