Sunderland-Newcastle, Man Utd-Man City preview

Football Focus presenter Dan Walker is joined by Jermaine Jenas and John Hartson to look ahead to Sunday's two big Premier League derbies.

Bottom-of-the-table Sunderland host fellow strugglers Newcastle in the Tyne-Wear derby at 12:00 GMT, while Old Trafford hosts the Manchester derby at 14:05.

Hartson describes both games as "massive" and tips United to win the Manchester derby.