Mariano Rivera announces that he'll retire at the end of the season - Sports Illustrated
Mariano Rivera bids emotional farewell at Yankee Stadium
Baseball : Mariano Rivera will retire after the 2013 season
Yankees' Rivera hints at retirement
Mariano Rivera won't pitch remainder of season
Yankees great Mariano Rivera to retire – no one in Major League Baseball history was better at his job than future Hall of Fame closer – New York Daily News
Mariano Rivera - Wikipedia
Yankees retire Mariano Rivera's number
Noteworthy
On Being Prepared for Mariano Rivera's Retirement Announcement
Mariano Rivera Retirement Tour: Yankees, Foes Give It Up For 'The Greatest Ever' - CBS New York
Timeline of Mariano Rivera's career
VIDEO: Yankees Great Mariano Rivera Bids A Tearful Goodbye : The Two-Way : NPR
Mariano Rivera: 'I'm done' pitching for Yankees
What Went Right: Mariano Rivera - River Avenue Blues