I Am Maximus (Fr) (Authorized {Ire}) produced one of the most impressive Grand National-winning performances in some time to propel Willie Mullins to the head of the British Trainers' Championship. Owned by JP McManus and ridden by Paul Townend, last year's Irish Grand National hero represented winner number two in the Aintree showpiece for Mullins, who sent out Hedgehunter (Ire) (Montelimar) to success in 2005. Returned the 7-1 co-favourite, I Am Maximus stormed clear of Delta Work (Fr) (Network {Ger}) in second with former Gold Cup winner Minella Indo (Ire)...