![SI Vault on X: On this day in 1990, Don Mattingly signed a $19.7 million, five-year contract with the Yankees: / X](https://ansel.frgimages.com/new-york-yankees/don-mattingly-new-york-yankees-autographed-1984-fleer-series-1-number-131-beckett-fanatics-witnessed-authenticated-rookie-card_ss5_p-200541351+u-nsqpde42vj09nh5yalmy+v-qm33whfqklja2jjbws76.jpg?_hv=2&w=340)
MLB Don Mattingly Signed Trading Cards, Collectible Don Mattingly Signed Trading Cards
![SI Vault on X: On this day in 1990, Don Mattingly signed a $19.7 million, five-year contract with the Yankees: / X](https://d1w8cc2yygc27j.cloudfront.net/8358929925463109490/-7743518401910134896.jpg)
Auction Prices Realized Baseball Cards 1990 Donruss Don Mattingly
![SI Vault on X: On this day in 1990, Don Mattingly signed a $19.7 million, five-year contract with the Yankees: / X](https://ansel.frgimages.com/new-york-yankees/1988-topps-number-386-don-mattingly-new-york-yankees-autograph-beckett-authenticated_ss2_p-13198821+u-47xglcxhqzp26wxiilhx+v-227f2bd77813408c98a114114ff754c6.jpg?_hv=2&w=340)
MLB Don Mattingly Signed Trading Cards, Collectible Don Mattingly Signed Trading Cards
![SI Vault on X: On this day in 1990, Don Mattingly signed a $19.7 million, five-year contract with the Yankees: / X](https://d1w8cc2yygc27j.cloudfront.net/-3459338788300567858/4866055832076010052.jpg)
Auction Prices Realized Baseball Cards 1990 Donruss Don Mattingly
![SI Vault on X: On this day in 1990, Don Mattingly signed a $19.7 million, five-year contract with the Yankees: / X](https://i.ebayimg.com/thumbs/images/g/GjgAAOSwtollLW~g/s-l640.jpg)
Don Mattingly Baseball 1990 Season Sports Trading Cards & Accessories for sale
![SI Vault on X: On this day in 1990, Don Mattingly signed a $19.7 million, five-year contract with the Yankees: / X](https://vault.si.com/.image/t_share/MTY5MDk4NjA1MDg1NzMwMDgx/44153---cover-thumbnail-image.jpg)
The Banger in the Bronx: Don Mattingly joins the Yankees' greats - Sports Illustrated Vault
Take your collection of New York Yankees memorabilia to the next level with this autographed Don Mattingly 16 x 20 Swing Through The Zone
![SI Vault on X: On this day in 1990, Don Mattingly signed a $19.7 million, five-year contract with the Yankees: / X](https://fanatics.frgimages.com/new-york-yankees/don-mattingly-new-york-yankees-autographed-16-x-20-swing-through-the-zone-photograph_pi4320000_ff_4320955-a3ed4020ec3d4a3db16e_full.jpg?_hv=2&w=900)
Autographed New York Yankees Don Mattingly Fanatics Authentic 16 x 20 Swing Through The Zone Photograph
![SI Vault on X: On this day in 1990, Don Mattingly signed a $19.7 million, five-year contract with the Yankees: / X](https://d1w8cc2yygc27j.cloudfront.net/984983249431473173/2849448544917687642.jpg)
Auction Prices Realized Baseball Cards 1990 Bowman Tiffany Don Mattingly
![SI Vault on X: On this day in 1990, Don Mattingly signed a $19.7 million, five-year contract with the Yankees: / X](https://vault.si.com/.image/t_share/MTY5MDk4NDg4ODUxNzM2MDI3/702723---original-layout-thumbnail-image.jpg)
A Murderers' Row of One: Don Mattingly makes history - Sports Illustrated Vault
![SI Vault on X: On this day in 1990, Don Mattingly signed a $19.7 million, five-year contract with the Yankees: / X](https://ansel.frgimages.com/new-york-yankees/don-mattingly-signed-1991-donruss-number-596-yankees-baseball-card-auto-psa/dna-mt-10_ss2_p-200801657+u-agkzblebndqldoepcehj+v-prdulosxnvtqsicjtuvm.jpg?_hv=2&w=340)
Don Mattingly Memorabilia, Don Mattingly Collectibles, Verified Signed Don Mattingly Photos