Mattingly Proudly Wears Dodger Blue, but Pinstripes Still Befit Him - The New York Times
Uncle Mike's Musings: A Yankees Blog and More: Top 5 Reasons You Can't Blame Don Mattingly for the Yankees Not Winning a Pennant
Sold at Auction: Don Mattingly Signed Yankees 1997 FDC Envelope (JSA COA)
Don Mattingly Baseball Commemorative Edition : Signed Baseballs Yankees : Sports & Outdoors
Lot Detail - Don Mattingly Signed & Framed Billy Lopa Giclee on Canvas #23/100 - PSA
Yanks lead way with legacy of retired numbers
New York Yankees to retire Paul O'Neill's No. 21 on Aug. 21
What the Yankees' uniform number crunch could cost MLB's managers and coaches - The Athletic
Take a look back at the Yankees retiring Don Mattingly's number
Why Don Mattingly Picked Toronto Over Old Team Yankees
Don mattingly hi-res stock photography and images - Alamy
3-inch weatherproof vinyl sticker honoring New York retired #23, Don Mattingly.
Don Mattingly Retired Number Sticker | New York #23
This Day in Yankees History: The Yankees retire Don Mattingly's number - Pinstripe Alley