Yankees Retire Jorge Posada's No. 20, With a Nod to No. 15 - The

2009 World Series

Jorge Posada on the Yankees' Struggles, the Core Four, and Catching CC - The Ringer

Yankees Will Retire Bernie Williams' No. 51 and Jorge Posada's No. 20, News, Scores, Highlights, Stats, and Rumors

Yankees Retired Numbers: 5 Fast Facts You Need to Know

The 2010s: New York Yankees All-Decade Team - Sports Illustrated NY Yankees News, Analysis and More

Jorge Posada officially retires on this day in 2012, Nine years ago today, Jorge Posada officially announced his retirement after 17 seasons with the New York Yankees., By YES Network

Yankees to Retire Pettitte, Posada and Williams Numbers

Former Yankees who wore No. 2 share memories of number and Derek Jeter – New York Daily News

Rivera] League source confirms league-wide retirement of Roberto Clemente's #21 is not happening at this time and there is no current plan in place for it to occur : r/baseball

Jorge Posada's 2002 extension among Yankees' best moves of past 25 years - Pinstripe Alley