West Ham 3-3 Arsenal: Andy Carroll best in the world at heading - Bilic

West Ham manager Slaven Bilic says that Andy Carroll is the "best in the world" at heading the ball after the striker scored a hat-trick against Arsenal in a thrilling 3-3 draw at Upton Park.

Watch highlights from all Saturday's games in Match of the Day, 22:20 BST on BBC One and the BBC Sport app.