The rivalry between Middlesbrough FC and Sunderland is known as the Tees-Wear derby. These two teams are based in the North East of England and have a long-standing rivalry that dates back to the late 19th century.

Middlesbrough FC, also known as Boro, was founded in 1876 and has a strong following in the region. Sunderland AFC, also known as the Black Cats, was founded in 1879 and has a similarly passionate fan base.

The matches between these two teams are always highly anticipated and are often fierce and competitive. Both sets of fans have a deep-rooted dislike for each other, which adds to the intensity of the games.

Overall, Middlesbrough and Sunderland have played each other over 140 times in various competitions, with both teams having had their fair share of victories. The rivalry between these two clubs remains one of the most hotly contested in English football.