Yankees to retire Jeter's No. 2, the last single digit
Yankees retire Bernie Williams' No. 51
Yankees retire Bernie Williams' No. 51, his plaque unveiled in Monument Park - Newsday
September 21, 2008: The final game at Yankee Stadium – Society for American Baseball Research
Derek Jeter now embodies Yankees to new generation – New York Daily News
Why Yankees' Bernie Williams deserves to have number retired - Sports Illustrated
Social media reaction: Yankees retire Derek Jeter's No. 2 jersey
Yankees retire Bernie Williams' No. 51
New York Yankees to retire Derek Jeter's No. 2 on May 14 - ESPN
Bernie Williams Retires From Baseball (No, Seriously) - WSJ
Mariano Rivera - Wikipedia
Derek Jeter - ABC7 Los Angeles