GLASGOW, SCOTLAND - MARCH 26: Leigh Griffiths of Scotland during the FIFA 2018 World Cup Qualifier between Scotland and Slovenia at Hampden Park on March 26, 2017 in Glasgow, Scotland. (Photo by Robbie Jay Barratt - AMA/Getty Images)
GLASGOW, SCOTLAND - MARCH 26: Leigh Griffiths of Scotland during the FIFA 2018 World Cup Qualifier between Scotland and Slovenia at Hampden Park on March 26, 2017 in Glasgow, Scotland. (Photo by Robbie Jay Barratt - AMA/Getty Images)