/cdn.vox-cdn.com/uploads/chorus_asset/file/21920059/515431928.jpg.jpg)
This Day in Yankees History: Mattingly hits sixth grand slam of the '87 season - Pinstripe Alley
I'm Not A Headline Guy Sports ramblings…with a Yankees bias!
:format(jpeg)/cdn.vox-cdn.com/photo_images/581078/GYI0060146371.jpg)
This Day in Yankees History: MLB.com Classic Yankees Highlights
Don Mattingly – Society for American Baseball Research
MORE
:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/26054565/don-mattingly-1990-getty.0.jpg)
2014 Hall of Fame profile: Don Mattingly
Don Mattingly Card Checklist
/cdn.vox-cdn.com/uploads/chorus_image/image/67553128/515431928.jpg.0.jpg)
This Day in Yankees History: Mattingly hits sixth grand slam of
2014 Hall of Fame profile: Don Mattingly
/cdn.vox-cdn.com/uploads/chorus_asset/file/21920067/515302080.jpg.jpg)
This Day in Yankees History: Mattingly hits sixth grand slam of
Travis Hafner - Wikipedia
BOS@NYY: Mattingly hits record-setting grand slam
