Atletico Madrid have announced forward Nikola Kalinic has suffered a sprained right ankle.
The 30-year-old damaged the joint during a training session at the Ciudad Deportivo Wanda on Friday.
"The Croatian will undergo specific work and his recovery will continue to be assessed," the club said in a statement.
Diego Simeone's squad are due to be given the weekend off before resuming team training next Monday.
Kalinic made his Atletico debut in the 2-0 LaLiga defeat to Celta Vigo last Saturday.
He joined from AC Milan for a reported fee of €15million in August.
Last session of the week complete We’ll be back on Monday! September 7, 2018
Get the best features, fun and footballing frolics straight to your inbox every week.
Thank you for signing up to Four Four Two. You will receive a verification email shortly.
There was a problem. Please refresh the page and try again.