Aberdeen F.C.–Rangers F.C. rivalry – Wikipedia

The Aberdeen–Rangers rivalry refers to football matches and related activity involving the Scottish football clubs Aberdeen F.C. and Rangers F.C.. Unlike Rangers’ Old Firm rivalry with Glasgow neighbours Celtic, the feud with Aberdeen is a comparatively modern phenomenon which developed from the 1970s on a competitive sporting basis but escalated into hostility on the pitch and in the stands …

https://en.wikipedia.org/wiki/Aberdeen_F.C.%E2%80%93Rangers_F.C._rivalry