Mattingly attended
Evansville Central High School, where he played for the school's football, baseball and basketball teams. He also played basketball in the
Amateur Athletic Union. In his senior year, Mattingly averaged 20.9
points per game for the basketball team.
Pat Knight recruited him to play
college basketball at
Texas Tech University. The
Los Angeles Dodgers selected Mattingly in the first round, with the 31st overall selection, of the
2006 MLB draft. He signed with the Dodgers, receiving a $1 million
signing bonus. He had a .290
batting average with the rookie-level
Gulf Coast League Dodgers after signing. and .224 in 2008. and batted .194 in 2010. On September 26, 2010, the Dodgers traded Mattingly to the
Cleveland Indians for minor leaguer Roman Pena. He played for Great Lakes and the
Rancho Cucamonga Quakes in 2011 and batted .232. On January 11, 2012, the Yankees signed Mattingly to a minor league contract. They released him on March 27. In July 2013, Mattingly received an athletic scholarship from
Lamar University to play
college basketball for the
Lamar Cardinals basketball team as a
guard. Knight was the coach of the Cardinals. ==Executive career==