 Kenyon-Slaney was a noted sportsman and played first-class cricket for the Marylebone Cricket Club (MCC), as well as playing at county level for Shropshire between 1865–1879.He was also a keen association football player playing for Wanderers and was selected to play for England against Scotland in the second ever football international on 8 March 1873, where he scored two goals.Kenyon-Slaney became the first player to score in an international football match as the first international between the two nations in November the previous year had been a goalless draw.