Wearsider bemoaned the advantages that merchants in Royalist Newcastle had over their Wearside counterparts. That led to Sunderland becoming a Parliamentarian stronghold.
Sunderland and Newcastle again found themselves on opposite sides during the Jacobite risings, with Newcastle in support of the Hanoverians with the German King George. Sunderland siding with the Scottish Stuarts.
The first meeting of the two football sides took place in 1883 in the FA Cup back in 1888 which Sunderland won 2-0 over Newcastle East End before the emergence of Newcastle United.
Since then, Newcastle United and Sunderland have both won on 53 occasions with the pair sharing 50 draws. But which players have played for both clubs? Here, we take a look at some of the most notable names to have played for both sides:
21. Chris Waddle
Chris Waddle donned the red and white stripes and the black and white during a stellar career. Photo: Getty Images
22. Bob Moncur
Bob Moncur (left) played for both Sunderland and Newcastle United. Photo: Chris Djukanovic
23. Bryan 'Pop' Robson
Bryan 'Pop' Robson enjoyed three spells at Sunderland and one at Newcastle United. Photo: Getty Images
24. Jeff Clarke
Jeff Clarke (left) made 181 appearances for Sunderland and 124 for Newcastle United. Photo: Getty Images