New York Yankees Derek Jeter, Jorge Posada, Mariano Rivera Sports
2023 Yankees have a lot to learn from 1998 Old-Timers
May 3rd, 2010 - New York Yankees Core 4 Multi-Signed Sports Illustrated Magazine - Featuring Derek Jeter, Mariano Rivera, Jorge Posada, Andy Pettitte - JSA LOA on Goldin Auctions
Derek Jeter enters the Hall of Fame - Oral history of the Yankees shortstop's greatest play, The Flip - ESPN
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Jorge Posada – Society for American Baseball Research
Derek Jeter, Mariano Rivera, Jorge Posada & Andy Pettitte - New York Yankees - The Core Four - The Heart of the Yankees' Dynasty - Sports Illustrated - May 3, 2010 - SI at 's Sports Collectibles Store
Lot of (4) New York Yankees Core Four OML Baseballs Signed by (4) with Derek Jeter
2010 Topps Heritage #411 Andy Pettitte/Jorge Posada/Derek Jeter/Mariano Rivera - New York Yankees (Core Four) Baseball Card : Collectibles & Fine Art
2002 NEW YORK YANKEES MAGAZINE DEREK JETER MARIANO RIVERA JORGE POSADA PETTITTE
Core 4 reunited before Yankees' home opener
Portrait of New York Yankees Derek Jeter , Jorge Posada , Mariano News Photo - Getty Images
Yankees: Core four propel Bombers
