The Best (and Worst) Baseball Jersey Numbers — Clubbie
Jackie Robinson Day: MLB's black population remains low
10 First African American Players in Major League Baseball - Sports Management Degree Guide
Who are the greatest African-American baseball players of all time? | Yardbarker
Jackie Robinson Day: 4 Facts About His Jersey No. 42, Now Retired in MLB
How players are using uniform numbers to break MLB's unwritten rules
Best Pirates players by uniform number
Every uniform number ever, ranked by value
Who are the greatest African-American baseball players of all time? | Yardbarker
Who are the greatest African-American baseball players of all time? | Yardbarker
10 First African American Players in Major League Baseball - Sports Management Degree Guide
Best Athletes To Wear Number 31 | ThePostGame.com
Ranking the best MLB players who wore No. 20, including Frank Robinson and Mike Schmidt - CBSSports.com
In honor of Jackie Robinson Day, the social significance of jersey numbers in sports - New York Daily News
Steve Rushin: 44 is a magic number in sports - Sports Illustrated
10 First African American Players in Major League Baseball - Sports Management Degree Guide
Top-10 Negro League Players of All Time - The Grueling Truth
The Coolest Throwback Jersey to Own for Each MLB Team | Bleacher Report | Latest News, Videos and Highlights
Hank Aaron death: Braves great who became voice for civil rights dies at 86 - The Washington Post
Jackie Robinson Day - Wikipedia
Best Pirates players by uniform number
Roberto Clemente - Wikipedia
Ernie Banks - Wikipedia
