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.
The Championship side proved stubborn opponents on a pitch that had been lashed by rain earlier in the day, but the surface held out at the Kassam Stadium and so did Regis Le Bris’ Premier League visitors, scraping through thanks to a decision that convinced few supporters in the home section.
