Yahoo Sports reports: Some of the craziest transfer hijacks in football have happened when no one was watching — at the very moment everyone involved believed the deal was 100 per cent complete. As we approach the opening of the summer transfer window on June 15, with players expected to move across countries and leagues, there is every chance that at least one major transfer deal will collapse at the final stage and be hijacked by another club. Imagine investing weeks — sometimes months — into scouting a player, hol