Sponsorships are a manifestation of promotion using well-known identities or big names that elicit a high level of recognition, trust and appreciation or awareness among people. Such individuals promote an item by lending their names or images to publicize an item or organization. Sponsors and customers trust that such endorsement, or celebrity endorsement, will have a positive impact on shoppers. There are many risks to using celebrity endorsements, but team research for Nike has shown that the benefits outweigh the risks. This type of advertising connects more with the people the company sells to. Ordinary people will not have much impact on a product. Celebrities are famous and people admire them. These ads will work well for a brand's aspiration. Therefore, the more famous the testimonial, the more expensive the product will be. Nike has many celebrity endorsements. The American sports brand is the largest in the world with a total value of around 49 billion. Here are the 11 best celebrity endorsement deals Nike has made over the years.1. Michael...