Learn how to play like Barcelona's Dani Alves. To start, here's Alves' guide to being a great defender (full-back). Requirements: speed, hard work, and a lot of concentration. If you watch Barcelona play, you'll see that Alves has a great understanding with Messi, the two warm up together and then during the games seem to always find one another with the ball, as they exchange short give and goes and keep the ball.
Alves: "I believe that full-backs are the assistant to all the other players, from the goalkeeper to the striker, reaching out a hand, helping when mistakes are made.