Sunderland captain withdrawn from Switzerland squad He will be questioned by prosecutor’s office in Lucerne Granit Xhaka has been withdrawn from Switzerland’s squad after he admitted receiving a fake Covid vaccination certificate in 2022. The Sunderland and Switzerland captain – who was an Arsenal player at the time – has apologised for this “mistake” and will sit out his country’s forthcoming four Nations League matches. Xhaka is poised to be questioned by the prosecutor’s office in Lucerne ne…