surely a player can be a left midfielder if he is played there and does well? players dont arrive at clubs with 'left back' stamped on their foreheads. it was said whilst he was at the club that he got too far forward and left the defence exposed, also that he put in a great ball and could take on a man reasonably well yet wasnt the best at tackling, surely the reason for this is most likely that he isnt truly a left back, rather someone who is being played at left back due to a lack of opportunities on the wing.
I would take a little under 1million plus sell-ons if we got jones into the bargain as well, in fact id bite the fellas hand off, because if we're going to have to sell then id rather sell to someone who can give us a ready made replacement straight away.