History of retired numbers dates back to Lou Gehrig Day

Lou Gehrig, Biography, Statistics, Disease, & Facts

Looking Back at Lou Gehrig Appreciation Day - Jugs Sports

Lou Gehrig, First To Have Number Retired, Launched A Major Tradition

Six Baseball Stars Get Singular Honor As Teams Will Retire Their Jerseys

New York Yankees Retired Numbers - Sports Illustrated

Lou Gehrig at age 29, of The New York Yankees in spring training prior to his 1933 Triple Crown year. Less than 6 years from retiring with ALS that killed him 2

Lou Gehrig's final years

Lou Gehrig is the most Ruthian Yankee of all time - Pinstripe Alley

Yankees Top Moments: (#1) Lou Gehrig's Luckiest Man speech vs. (#8) 1941 World Series strikeout turned win - Pinstripe Alley

Every MLB team's retired numbers

MLB Celebrates Inaugural Lou Gehrig Day

Lou Gehrig remembered