1. materials characteristic of baseball and the culture of baseball; 2. collectible baseball Americana
1987
New York Yankees first baseman Don Mattingly wins his $1.975 million arbitration case, breaking the record for the largest amount ever awarded to a player. The record was set by the Detroit Tigers pitcher Jack Morris just four days prior.
1997
Modern New York Yankees great Don Mattingly officially announces his retirement at a media conference in Yankee Stadium. In 14 seasons with the Bronx Bombers, “Donnie Baseball” hit to a slash line of .307/.358/.471
1987
Don Mattingly tied Dale Long’s 31-year-old Major League record when he hit a home run for the eighth consecutive game in the Yankees’ 7-2 loss to the Texas Rangers.
