Young was a promising player for Cardiff, playing in the reserves before being promoted to the senior team.

Young only played one senior season, and may have achieved more but was kept out of the squad by Bert Winfield,[5] one of the greatest Welsh kickers of all time.

[5] He was described by ex-Wales union captain, Arthur Harding, as 'He has a lovely kick, of the Jackett type, and a useful tackler.

in the 1909–10 Challenge Cup Final during the 1909–10 season at Fartown Ground, Huddersfield on Saturday 16 April 1910, in front of a crowd of 19,413, and played fullback, and scored 7-goals in the 26-12 victory over Hull F.C.

[9] Frank Young was badly injured during the 34-25 victory over Metropolis at the Royal Agricultural Society Showground on Saturday 18 June 1910 during the 1910 Great Britain Lions tour of Australia and New Zealand, he played no further part in the tour, and failed to fully recover from the injury, retiring in March of the 1910–11 Northern Rugby Football Union season.