The U18's inc Chris Gunter and Darcy Blake (who both played for Wales U21's yesterday) entertain Sunderland tonight in the 5th round of the FA Youth Cup.
The winners will face Arsenal at the Emirates Stadium in the 1/4 finals.
Entry tonight is free for Ambassadors at ST holders on production of their phot ID card.
Otherwise it's £4 for adults and £2 for concessions. Pay at the turnstile.