Sir Alex Ferguson almost always got his man and the Manchester United boss didn't mind stepping on a few toes to do so.
A master of the transfer window, the fiery Scot was able to pull his fair share of rabbits out of hats. Few, however, angered opposition managers as much as the signing of Roy Keane 30 years ago this summer.
Exactly one year after missing out on Alan Shearer to Blackburn Rovers - a rare failure - Ferguson set his sights on a young box-to-box midfielder at Nottingham Forest. Keane had only been at the City Ground for three years but with Brian Clough as manager and the likes of Stuart Pearce in the dressing room, he quickly developed into one of the most promising talents in English football.