In 1996, Matlock became the head coach of Eastern Hills where he won multiple district championships and Coach-of-the-Year honors.
In 1999, Matlock left Eastern Hills to start the Flower Mound High School program from scratch.
[1] On July 15, 2004, Matlock joined the TCU Horned Frogs baseball program as a volunteer assistant coach.
[2] After two seasons at TCU, Matlock joined the Texas State program as the team's recruiting coordinator and pitching coach.
On June 12, 2012, Matlock joined the West Virginia Mountaineers baseball staff as the team's recruiting coordinator and pitching coach.