True. But it was Barcelona who needed the deal to happen. Sanchez could have just done a Iaquinta.
His agent should have looked at what teams that suit him, could make an offer for him, and then have Sanchez refuse the Arsenal one.
But instead of doing that, they just took the big lump of cash from Arsenal, in the arseanal, and be happy with the cash and the soon to be pathetic career of sanchez