It's time for Roberto Clemente's No. 21 to be retired across
Mets to retire numbers for Doc Gooden and Darryl Strawberry – NBC
Taylor Jungmann is ninth Texas baseball player with retired jersey
Every MLB team's retired numbers
History of retired numbers dates back to Lou Gehrig Day
Retired Uniform Numbers in the American League
Lakers News: First Great Lakers Center Will Have Jersey
How players are using uniform numbers to break MLB's unwritten
Mets to retire numbers for Doc Gooden and Darryl Strawberry – NBC
Yankees retired numbers and the baseball legends who wore them
Retired number - Wikipedia
Every MLB team's retired numbers
Mets to retire numbers of Darryl Strawberry, Doc Gooden
Retired Uniform Numbers in the National League