(8 September 1979 - 2008) (divorced) (3 children)

Children: Taylor Patrick (b. 17 March 1985), Preston Michael (b. 28 August 1987), Jordan William (b. 23 July 1991)

Mattingly married Kim Sexton on September 8, 1979; they are now divorced. They have three sons: Taylor, Preston, and Jordon, two of whom attempted careers at professional baseball. Taylor was drafted in the 42nd round (1262nd overall) of the 2003 Major League Baseball Draft by the New York Yankees, and played in 24 games for the Gulf Coast Yankees in the rookie league before an injury cut short his season. After sitting out all of 2004 and 2005, Taylor retired from baseball in 2005 after only 58 professional at bats. Of his eldest son, Don mentioned: "He loved the game, not the lifestyle. Preston was chosen in the first round (31st overall) of the 2006 Major League Baseball Draft by the Los Angeles Dodgers and was rated as a B- prospect in John Sickels' 2007 Baseball Prospect Book. Sickels noted, "Position a question but has promising tools and bloodlines." Preston was traded to the Cleveland Indians on September 26, 2010, just nine days after his father was announced as the manager of the Dodgers for the 2011 season. He was subsequently released by the Indians at the end of spring training, and resigned with the Dodgers. On January 11, 2012, the Yankees signed Preston to a minor league contract but they released him again on March 27.