Bill Russell and Jackie Robinson: Why are they the NBA's and MLB's picks to retire their numbers from every team?
Jim Thome has No. 25 jersey retired by Cleveland Indians
Who are Jackie Robinson's Kids?
Jackie Robinson: Most Up-to-Date Encyclopedia, News & Reviews
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Jackie Robinson: Biography, Baseball Player, Activist
Why every MLB player is wearing No. 42 today
Who is the baseball player that had his shirt number retired by three teams? - Quora
Piazza Gets Standing Ovation at Number Retirement - Mets History