Sir Alex Ferguson has coached many of the world's top players during his two-decade period at Old Trafford. However, there was one opposition star who seemed to get under his skin more than most - former Chelsea player Gianfranco Zola.
Zola, who won two FA Cups and a League Cup during his time at Stamford Bridge, was renowned for his eye-catching style of play and creative abilities on the pitch. Despite never winning a Premier League title with Chelsea, his impact on the team was undeniable.
Ferguson said: "Now little Zola, he annoyed me. He was one of those players who was unperturbed about who he was playing against. He always seemed to have a smile on his face and that annoyed me. I said 'How can he be enjoying himself playing against Manchester United? Nobody else does.'
"He was fantastic. Talented. Beautiful balance. Brave. I remember we played Chelsea in the FA Cup a couple of years ago in the treble. We got them in the early rounds and we drew 0-0 at Old Trafford and I man-marked him. That’s how much respect I had for him."
