However, the same can be said about Alexis Sanchez, who will, no doubt, be busting a gut in a bid to be back from a knee injury ahead of schedule to take on his former club.
Solskjaer recently suggested he hoped the Chilean could return to action around the time of the Everton game in the Premier League on 21 April, but the trip to Spain comes earlier that week, with the second leg between the two clubs taking place at the Nou Camp.
Barcelona beat a host of clubs to the signature of the South American in the summer of 2011 and he spent three years in La Liga, until joining Arsenal.