Mariano Rivera "Game Over" New York Yankees Poster - Costacos 2004 Retro Si Collection and rare poster appearances from

and rare poster appearances from second baseman Junior Spivey

and the "Core Four"

Own these rare and beautiful collector's items

Bobby Bonilla became a superstar with the Pittsburgh Pirates in the late 1980s

biceps bulging

Mariano Rivera "Game Over" New York Yankees Poster - Costacos 2004 Retro Si Collection and rare poster appearances fromIt is a sight that a generation of Yankee fans will remember vividly and fondly forever the great Mariano Rivera smiling brightly in celebration of another big save on a beautiful night in The Bronx. So why is it that publishers have never commemorated this future Hall of Famer with a poster of his own? It is a question that has astounded us ever since we started this business in 1997 so finally, we decided, enough was enough let's print one of our