Roy Keane has already tried to make it work with Celtic twice. Like a bad experience on Tinder, the chemistry just wasn't right.
A meeting in Dermot Desmond's London lair featured an unusual sales pitch from Gordon Strachan. Keane left the clandestine gathering convinced the Parkhead boss couldn't care less whether they hooked up or not. Unimpressed, he did what Roy Keane does.