Barca signed Samuel Umtiti, Lucas Digne, Andre Gomes and Denis Suarez this summer, and Graham Hunter believes they could challenge for a first-team place.
The Blues striker has recently been linked with a move to the La Liga giants.
The Liverpool forward has been linked with a move following comments made by Barca star and Brazil teammate Neymar.
The 19-year-old Barcelona winger is reportedly close to joining Villa on a three-year deal for around £7 million.
Sky Sports pundit Graham Hunter believes it would be 'tough' for West Ham to prise David Moyes away from Real Sociedad.
The Spanish football expert was commenting on reports linking the Spaniard with a move to the Emirates Stadium.
According to European football expert Graham Hunter, Pep Guardiola offered Bastian Schweinsteiger to Manchester United in an attempt to fend off interest in Toni Kroos.