Category:Players who wear/wore number 21, Basketball Wiki
College Basketball Players Can't Wear Nos. 6-9 and It's a Problem
Thaddeus Young - Wikipedia
Mario Superstar Baseball - Super Mario Wiki, the Mario encyclopedia
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Category:Players who wear/wore number 17, Basketball Wiki
Most iconic NBA numbers: #21 – Kevin Garnett and Tim Duncan, NBA News
Category:Players who wear/wore number 5, Basketball Wiki
Category:Players who wear/wore number 1, Basketball Wiki
Kobe Bryant - Wikipedia
Category:Players who wear/wore number 22, Basketball Wiki
Boom Town: The Fantastical Saga of Oklahoma City, Its Chaotic Founding Its Purloined Basketball Team, and the Dream of Becoming a World-class Metropolis: Anderson, Sam: 9780804137331: : Books
Derrick Rose - Wikipedia
Crunching the Numbers: College Basketball Players Can't Wear 6, 7, 8 or 9 - The New York Times