15 June 2017 Last updated at 16:01 BST
Carlos is famous for his free kicks.
And now you can see what it's like for a footballer to take one in front of a huge crowd.
See his point of view as he runs out onto the pitch, watches an incredible Luis Figo goal and hears the crowd roar.
Video courtesy of Real Madrid TV
Former Real Madrid footballer Roberto Carlos wore a body camera at the legends match against Roma on Sunday 11 June.