Why not? Do tell...
You're actually hilarious, mate. You know feck all about what goes on around United so who the feck are you to say if there's a chance he'll come back or not. Everyone expected us to sign someone a few midfielders to finally replace Scholes, Hargreaves and co. and guess what? We signed fecking Fellaini, failing to sign Herrera, Fabregas, Thiago etc.
I don't see how you can be so stubborn and narrow minded that you can't see the club going back to a player if they failed to buy a defender to replace him.
Wait, you can't get over the fact that I think there's a 1% chance Rio could come back to United on a shot term deal? As I said, hilarious, guy. I can't get over the fact that you find it funny/shocking that someone thinks he might come back as a last resort if worse comes to worse and that you're so certain he'll never play for United again, knowing the square root of feck all on what goes on at United.