I can't speak Welsh. But I do speak Irish fluently. For example, Irish for 'Bradshaw's just scored' is 'whale oil beef hooked'.
Just turn down the volume and watch the game. You could of course play your Shirley Bassey or Daniel O'Donnal records.
The Sky channel is free too for me tonight... We are on Hols in the Peak District, and the Barn conversion we are staying in has the full Sky package... we are filling our boots with it too