who was the first baseball player to have their number retired
List of Major League Baseball retired numbers The Yankees' original approach was to simply assign the numbers 1 through 8 to the regular starting lineup in their normal batting order. Hence, Babe Ruth wore number 3 and Lou Gehrig number 4. The first major leaguer whose number was retired was Gehrig, in July 1939, following his retirement due to amyotrophic lateral sclerosis, which became known popularly as Lou Gehrig's Disease.