Celta de Vigo Front Office
Pellegrini has previously been linked with Gomez.
Dembele picked up the injury in the first minute of Barcelona's 2-0 win over Celta.
Aspas is considered the greatest player in the club's history.
Boufal leads Messi by 14 successful dribbles on the season.
Emre Mor spent just one season with Dortmund, joining the club from FC Nordsjaelland for €10 million.