Nick Rockett's National odds shortened after Bobbyjo triumph at Fairyhouse

The absence of last year's Grand National hero I Am Maximusremoved a layer of interest from the Grade Three contest and Paul Townend switched to fellow Willie Mullins inmate Nick Rockett following the withdrawal of his original mount.

IN GOOD NICK: Nick Rockett and Paul Townend win for trainer Willie Mullins from Intense Raffles (left).

Nick Rockett is as low as 8-1 second-favourite for the Randox Grand National following victory in the Follow @ToteRacing On Twitter Bobbyjo Chase at Fairyhouse.

The absence of last year's Grand National hero I Am Maximus due to an infection removed a layer of interest from the Grade Three contest and Paul Townend switched to fellow Willie Mullins inmate Nick Rockett following the withdrawal of his original mount.