Appreciating the retired single-digit numbers of the New York Yankees
Jaime Jarrín Wants Dodgers To Retire Fernando Valenzuela's No. 34
Yankee Retired Numbers: The All-Time Numerical Lineup of Yanks
Yankees retired numbers: A look at all of the jersey numbers players cannot wear in the Bronx
Column: Dodgers should retire Fernando Valenzuela's number, and others as well - Los Angeles Times
Fernando Valenzuela Number Retired By Los Angeles Dodgers As 'Fernandomania' Lives Again – Deadline
Boston Red Sox retired numbers: From Bobby Doerr to Pedro Martinez
Will Clark's number 22 will never be worn by another Giant – NBC Sports Bay Area & California
New York Yankees retired numbers: Is team too generous? - Sports Illustrated
Dodgers to retire pitcher Fernando Valenzuela's No. 34
Dodgers retired numbers: Other players to wear uniforms before honor - True Blue LA