Cristiano Ronaldo never tracked back at Manchester United - forcing Sir Alex Ferguson to change his system against big teams.
That's according to Ryan Giggs, who hasn't criticised the Portuguese for this fact, but instead explained why it makes him a "match winner".
Midfielders are required to track back as much as they go forward to ensure there is a balance between defensive and attacking play.
But every now and again a player is deemed so good at one of these jobs he is afforded the opportunity to make it his only focus.
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