Mubarak Wakaso will be out for four weeks, after sustaining an injury during Las Palmas 2-0 home defeat against Deportivo La Coruna on Saturday.
The Ghanaian midfielder underwent further tests on Monday, and the results revealed damages to his muscles.
And now the official website of Las Palmas has confirmed that the 25-year-old will be out for about four weeks.
Wakaso will miss Las Palmas Copa Del Rey first leg against Real Sociedad on Thursday, as well as Primera Division matches against Sporting Gijon, Real Betis, Espanyol, Granada and Athletic Bilbao.
He joined the Spanish La Liga side last Summer after completing a season-long loan move from Russian side Rubin Kazan.