Scotland have not beaten by Wales in Cardiff since 2002 , when hooker Gordon Bulloch 's try double underpinned a 27 - 22 away win .
Gatland 's team will start as favourites to extend that sequence despite misfiring badly for much of the Six Nations campaign .
Scotland have not beaten by Wales in Cardiff since 2002 , when hooker Gordon Bulloch 's try double underpinned a 27 - 22 away win , and Gatland 's team will start as favourites to extend that sequence despite misfiring badly for much of the Six Nations campaign .