Yankees Retire #23 Uniform August 31, 1997 | 0 minutes, 12 seconds read On this day, in 1997 Don Mattingly is the first Yankee to have his number retired without winning a Championship, his uniform number 23 was retired and his plaque was dedicated in Monument Park at Yankee Stadium. August 31, 1997 Sport: Baseball Trivia Which Nations Won the Gold, Silver and Bronze Medals the Last Time Baseball Was an Olympic Sport? January 06, 2020 The last baseball Olympics event was last played in the 2008 Summer Olympics in Beijing What Are the Five Events That Make Up the Modern Olympic Pentathon? January 06, 2020 Can you name all 5 events in the Modern Olympic Pentathon? Sports in this article Baseball Tags in this article On This Day SportsEngine