By now he had made his debut for Wales and was club captain; he skippered Small Heath to promotion to the First Division in 1894, beating Darwen 3–1 in a test match.

His career at Small Heath ended in March 1895 when he was released after an incident at Derby where, after being ordered from the field, he attempted to assault two spectators.

Playing at centre-half (which in those days was a midfield position), Jenkyns scored six times in 27 matches for Arsenal and was regarded by the club as one of their star players.

[1] He spent two seasons with the Manchester club, taking over as captain from James McNaught,[4] helping them to runners-up position in the Second Division in 1897.

After retirement, Jenkyns ran a public house in Moxley, The George Inn, before joining the police force.