He has had many successes through his position as stable jockey to Dermot Weld.
From 2008 to 2010, he was stable jockey for Coolmore.
For the most successful period of his career, he was stable jockey to Sam Darling at Beckhampton.
Less than two months later Fallon was dismissed as Cecil's stable jockey for reasons which were never fully explained.
It started off with the removal of Michael Kinane as stable jockey.
He was formerly stable jockey to John Gosden, however as of 2010 has been freelance.
Archer served Dawson as a stable jockey from 1874 until 1886.
Later he moved to Middleham to become a stable jockey to Mark Johnston.
He was the regular stable jockey for Nicky Richards.
Walwyn had always expressed the opinion that Mercer was his 'beau ideal' as a stable jockey.