 They reached the Scottish Cup Final in 1888, having beaten Abercorn 10–1 in a semi-final replay after a 1–1 draw with a goal from Billy Mortimer, but lost the final 6–1 to Renton in what remains the joint-largest margin in the competition's history (matched in 1972).They won the inaugural Glasgow Cup in the same year.Cambuslang joined the Scottish Football League at its inauguration in 1890 and finished fourth in the 1890–91 season.