Posada undecided about playing after 2011 - The San Diego Union-Tribune
Yanks to retire numbers for Williams, Pettitte, Posada
Yankees to retire Paul O'Neill's No. 21 jersey this summer - Newsday
Jorge Posada on deck for his first Yankees Old-Timer's Day
Jorge Posada retires from Yankees at age 40 - The Boston Globe
Yankees' Posada to announce retirement
Baseball Quotes] The last active professional athlete drafted by the Montreal Expos has retired. Congrats on a great career Tom Brady! : r/baseball
Jorge Posada - Wikipedia
Andy Pettitte's career leaves lasting mark - ESPN - Stats & Info- ESPN