Sergio Busquets is expected to be out for around 10-15 days after Barcelona confirmed that the midfielder suffered an ankle sprain against Eibar.
Injured by brutal Escalante tackle
However, initial fears over a more serious injury were quelled by a scan on Monday, which revealed "a sprained external lateral ligament in his right ankle".
The 28-year-old Spain international is in line to miss three games, rising to four if Barça make it though to the semi-finals of the Copa del Rey.
GAMES BUSQUET IS SET TO MISS
Copa del Rey: Quarter-final second leg against Real Sociedad (26 January) and, if Barça qualify, the semi-final first leg (1 February).
LaLiga: Real Betis (29 January), Athletic Club (4 February).