Gary O'Brien steps in to steer the Road To Cheltenham ship this week with Ruby Walsh offering his insight as usual in the studio. After the sad news about a season-ending ligament infection for Sir Gino, we take a closer look at L'Eau Du Sud winning the Kingmaker at Warwick and wonder whether he can lay down a genuine challenge to Majborough in the Sporting Life Arkle Challenge Trophy. Meanwhile, could Gavin Cromwell's Only By Night - the only mare in the Arkle currently - go for this race instead of the Mrs Paddy Power Mares' Chase?