His most prolific period was between 1869 and 1872, when he made 17 of his 24 appearances, although he was not part of the Wanderers side that won the FA Cup in 1872, losing his place to Reginald de Courtenay Welch, who generally played as full-back.
Morten also represented Middlesex and served on the Football Association council in 1874–75, and occasionally appeared as an "umpire", the forerunner to today's referees.
Despite having been born in London, and having no apparent Scottish connections, Morten had earlier represented Scotland in the March 1870 international against England.
He was rated as perhaps the best goalkeeper in the world during the early 1870s;[3] according to the Football Annual for 1873: "Toujours prêt is his motto when between the posts, in which position he is without a rival, never losing his head, even under the most trying circumstances.
"[2] Alexander Morton died at 21 Hogarth Road, Earl's Court, London on 24 February 1900, aged 68, and was buried in Kensal Green Cemetery.