Diarra's controversial penalty earns Sunderland FA Cup win at Oxford

Sunderland reached the FA Cup fifth round for the first time since 2015 as Habib Diarra's contentious first-half penalty earned a 1-0 win away to Oxford.

Sunderland reached the FA Cup fifth round for the first time since 2015 as Habib Diarra's contentious first-half penalty earned a 1-0 win away to Oxford.