In what should have been the week that Euro 2020 kicked off Leon and Russell cast their eye over the history of Wales's clashes with their group opponents, starting with Switzerland.

Yn yr wythnos pan ddylai Ewro 2020 fod wedi cychwyn mae Leon a Russell yn bwrw eu golwg dros hanes brwydrau Cymru gyda'i gwrthwynebwyr grwp, gyda'r Swistir yn gyntaf oll.