The justification for it in the post match discussion, once again, doesn’t match up to what actually happened on the pitch.

Premier League Match Centre (tweet)

#SUNARS - 54' The referee's call of penalty to Sunderland for a holding offence by Konsa on Ballard was checked and confirmed by VAR.

REF: "He's all over him at the near post facing the wrong way".

VAR: "I'm happy that it's a holding offence. The foul is confirmed. Confirming the on-field decision of penalty".

I saw it as Konsa being tight (facing the ball) on Ballard. Ballard has a big fistful of Konsa’s shirt, pulling him over and around. Good judo but No pen in football.