Leigh Griffiths has been celebrating Celtic's nine in a row league title by cooking on a Hoops-themed barbecue at home.The 29-year-old was awarded his Premiership winning medals on Monday after SPFL clubs unanimously agreed to end the season early amid the coronavirus pandemic.Despite the historic nine in a row victory, the striker has been drinking in his success at the comfort of his home as the country remains under lockdown restrictions.Griffiths and his partner Caitlyn Melville made the most of the warm weather yesterday by bringing out a Celtic-branded barbecue for the occasion.It features engravings of the club crest and 1967 - which is marked within the shape of a European Cup trophy in memory of the club’s victory of the