Buveur D'Air was only sent back over hurdles last week .
Following on from an impressive Contenders Hurdle win , coupled with the Faugheen injury , he is now the favourite for the big race .
Buveur D'Air was only sent back over hurdles last week but following on from an impressive Contenders Hurdle win , coupled with the Faugheen injury , he is now the favourite for the big race .