Sunderland, a football club based in the city of Sunderland, England, has always been known for its passionate supporters and competitive spirit on the pitch. However, the club is also well-known for its commercial partnerships with various companies.

One such partnership that stands out is the one between Sunderland and the popular sports brand Nike. The partnership began in 2017 and has since become one of the most successful in the history of the club. Under this partnership, Nike provides Sunderland with high-quality training equipment, clothing, and accessories, which are used by the team during their matches and practices.

In addition to Nike, Sunderland has also signed up other brands like Adidas, Puma, and Umbro as its official kit suppliers. These partnerships not only help Sunderland attract more fans but also increase the club's revenue through merchandise sales.

The commercial partnerships of Sunderland have helped the club to diversify its income sources beyond just ticket sales and sponsorships. This diversification has allowed Sunderland to be less reliant on any single source of revenue and thus reduce the risk associated with it.

Furthermore, these partnerships have also provided Sunderland with opportunities to engage with their fans on a deeper level. For example, Nike has launched a number of exclusive products for Sunderland fans, including shirts, caps, and other branded items. These products are available exclusively at select Sunderland stores or online, providing fans with unique access to the club.

Overall, Sunderland's commercial partnerships have played a crucial role in the club's growth and success over the years. By leveraging these partnerships, Sunderland has been able to create a sustainable model of revenue generation that benefits both the club and its sponsors. As a result, Sunderland remains one of the top clubs in English football, with a strong commercial presence and loyal fan base.