What's in a sports number? It's a matter of rules, and whimsy - Los Angeles Times
Basketball Jersey Rules
Number (sports) - Wikipedia
Basketball Rules List
Surprising Rules College Basketball Players Have to Follow
Did You Know That… Choosing a uniform number isn't always as simple as it seems? | NBA.com
Number (sports) - Wikipedia
What Are The NBA Jersey Number Rules? (With Amazing Facts!) - Realhoopers
All the Surprising Rules College Basketball Players Have to Follow
Why can't college basketball players wear a digit greater than 5 on their jerseys? - Quora
Number (sports) - Wikipedia
FIBA Basketball Uniform Rules
NBA Jersey Number Rules: Positions & Numbers | Field Insider
Number (sports) - Wikipedia
What are the NBA Jersey number rules? – Basketball Noise
NFHS Basketball Legal Uniforms
NBA Jersey Number Rules: Positions & Numbers | Field Insider
2018-19 Basketball Uniforms
Lucas' Basketball Jersey #8 Is Illegal, As National High School Basketball Rules Say A Jersey Can't Have A 6,7,8, or 9 As A Digit. Oops. : r/StrangerThings
NBA Jersey Number Rules: Positions & Numbers | Field Insider
FIBA Basketball Uniform Rules
The history of the jersey numbers of basketball
College Basketball Players Can't Wear Nos. 6-9 and It's a Problem
What Are The NBA Jersey Number Rules? (With Amazing Facts!) - Realhoopers
