Paul Nicholls shares his thoughts on his four runners at Aintree on Saturday
Trainer Paul Nicholls will seek to finish on a high on Grand National Day at Aintree. Caldwell Potter makes his debut for the trainer in the Turners Mersey Novices' Hurdle. Record buy Caldwell Potter makes his debut for the trainer in the Turners Mersey Novices' Hurdle.
