We profile three men who's represented both clubs.
Dean Whitehead began his career with his local side Oxford United where he played over 130 times in]five years with the U’s.
Sunderland signed Whitehead after his Oxford contract expired and he went on to play a key role as the Black Cats won two promotions to the Premier League.
Whitehead played 200 times for Sunderland, scoring 14 goals, before moving to Stoke in 2009.
The 31-year-old midfielder has been a regular ever since, playing over 150 times in his four years in Staffordshire.
1973 FA Cup winner and Sunderland legend Dennis Tueart made over 200 appearances for the Black Cats in a six-year stay on Wearside.
Tueart signed for Manchester City in 1974 and went on to win the League Cup in 1976 with the club; scoring a memorable overhead kick in the final as City defeated Newcastle United.
After spending five years with City, Tueart moved to New York Cosmos where he starred for two years, scoring a goal every other game for the US side.
He returned to City in 1979 and spent a further four years with City before joining Stoke City in 1983.
Tueart played only four times in his brief spell with the Potters before finishing his career with Burnley.
Republic of Ireland international Rory Delap began his career with Carlisle United after graduating through the youth ranks with the Cumbrians.
He played over 80 times for Carlisle before moving to Derby County in 1997 where he made over 100 appearances in the Premier League.
Delap was snapped up by Southampton in 2001, and again he was ever-present for the Saints playing over 150 times in a five-year spell before joining Sunderland.
Delap, who has been capped 11 times by his country, was brought to Wearside by Mick McCarthy but he failed to make an impact as injuries restricted him to just 13 games in his two years in the north east.
Stoke signed Delap in 2006, and he was a massive player for the Potters as they secured Premier League status in 2008-09.
His long-throw-ins were part of Stoke’s identity as the Potters made the Britannia Stadium a fortress in their early top-flight years.