PAISLEY, SCOTLAND - JULY 04: Charlie Mulgrew of Celtic at the Pre Season Friendly between Celtic and FK Dukla Praha at St Mirren Park on July 04, 2015 in Paisley, Scotland. (Photo by Jeff Holmes/Getty Images)
PAISLEY, SCOTLAND - JULY 04: Charlie Mulgrew of Celtic at the Pre Season Friendly between Celtic and FK Dukla Praha at St Mirren Park on July 04, 2015 in Paisley, Scotland. (Photo by Jeff Holmes/Getty Images)