Yankees retire Paul O'Neill's No. 21 jersey - NBC Sports
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Yankees Retired Numbers
In front of a crowd of 55,707, Don Mattingly's uniform number 23 is
Don Mattingly, Retired Number
Readers sound off on Don Mattingly, a 'Cheers' death and conceding
Don Mattingly New York Yankees Mitchell & Ness Cooperstown
Don Mattingly top career moments
3-inch weatherproof vinyl sticker honoring New York retired #23, Don Mattingly.
Don Mattingly Retired Number Sticker | New York #23
On this day in 1997, Don Mattingly received a plaque in Monument
Yankees Retired Numbers - Who Are The 22 Yankees Who Wore