What’s worse - United selling to City or to Arsenal?

Usually selling a player to your fiercest rivals would be considered a controversial decision at best, and an absolute travesty at worst.

Think of the outrage at Tottenham when Sol Campbell went to Arsenal, Fergie’s insistence on keeping Heinze away from Liverpool, the stick Lampard gets (ok, that’s a different story but still), the stick Figo got or the nation-wide (worldwide) abuse Ashley Cole gets (you might think he deserves it, but if he’d stayed it’s hard to think that it would be the same).

But after 9 years of seeing Silvestre float in and out