Don Mattingly History: August 31, 1997 - Don Mattingly's #23 is retired by New York Yankees June 13, 1994 - Don Mattingly plays 1st base 1,469 game for Yankees (2nd most) July 22, 1993 - New York Yankee Don Mattingly hits his 200th home run February 28, 1991 - Don Mattingly named 10th New York Yankee Captain April 9, 1990 - Don Mattingly signs a $19.7 million 5-year contract with Yankees September 29, 1987 - New York Yankee Don Mattingly hits record 6th grand slam of year July 20, 1987 - Don Mattingly ties 1st base fielding record with 22 put-outs July 19, 1987 - Don Mattingly sets AL record of extra base hits in 10 cons games July 18, 1987 - New York Yankees Don Mattingly ties record of home runs in 8 cons games July 17, 1987 - Don Mattingly is 2nd to hit home runs in 7 straight AL games (en route to 8) July 16, 1987 - Don Mattingly hits his 4th grand slam of season and ties AL record of homers in 6 straight games (on way to tie major league record of 8) February 17, 1987 - Don Mattingly wins highest salary arbitration ($1,975,000 per year) May 3, 1986 - New York Yankee Don Mattingly is 6th to hit 3 sacrifice flies in a game November 20, 1985 - New York Yankee Don Mattingly easily wins AL MVP September 30, 1984 - New York Yankee Don Mattingly wins AL batting crown with .343 avg April 20, 1961 - Don Mattingly, born in Indiana, 1st baseman, New York Yankees/MVP 1985
More Notable Events on July 23:
1986 Britain's Prince Andrew marries Sarah Ferguson
1980 Billy Carter admits to being paid by Libya
1968 PLO's 1st hijacking of an El Al plane
1903 Ford Motor sells 1st Model A car
1664 4 British ships to drive Dutch out of New York, arrive in Boston