18-Year Old LeBron James Rejected $110 Million From Reebok And $70 Million From Adidas, And Signed A 7-Year, $90 Million Deal With Nike: "I'm A Nike Guy." - Fadeaway World
Which NFL player has the biggest Nike contract? Pro football athletes' endorsement deals explored
Highest-Paid Athletes of All Time: Michael Jordan Leads List – Sportico.com
Michael Jordan Has Made Over $1 Billion From Nike — The Biggest Endorsement Bargain In Sports
Top 100 Highest-Paid Athlete Endorsers of 2019 - Opendorse
The biggest celebrity endorsement deals of all time | lovemoney.com
In-Depth: How Sportswear Giants Adidas & Nike Distribute Their Sponsorship Expenses - Footy Headlines
How Nike became king of endorsements
Kristen's Portfolio Site
Michael Jordan's Nike Contract Has Earned Him Over $1.3 Billion