Time For The Yankees To Learn From Their 2009 Team Building
World Series champs win home opener
New York Yankees: Five postseason heroes you forgot existed
Uncle Mike's Musings: A Yankees Blog and More: How Long It's Been: The Yankees Won a World Series Without the Core Four
The Core Four New York Yankees 5 Time World Series Champions Unisex T-Shirt, hoodie, sweater, long sleeve and tank top
Core Four - Wikipedia
The Yankees Core Four 3D Card Lot of the 5 Time World Series
Power Ranking the 'Jeter Era' Yankees Championships, Bronx Pinstripes
Bleeding Yankee Blue: GREATNESS TODAY WITH THE CORE FOUR