He played college football for the Texas Longhorns, and was selected by the Tampa Bay Buccaneers in the third round of the 2009 NFL draft.

The All-Area Defensive MVP recorded 111 tackles with 10 sacks, 17 stops for loss, 19 pressures, six pass break-ups and two fumble recoveries, returning one 43 yards for a touchdown as a senior at Shoemaker.

In his senior year he was a First Team All-Big 12 selection as he captained the Longhorns to a 12-1 finish and a #3 final ranking following a 24-21 victory over Ohio State in the Fiesta Bowl.

Within a heavy rotation composed of Chris Hovan and Ryan Sims, he played a considerable amount of time, finishing his rookie season with 37 tackles, 2 sacks.

He returned the first game of the year as a reserve player, only to re-injure himself a couple weeks later against the New Orleans saints (bulging discs).

Miller had several options and interest to return to football, but ultimately decided to focus on his children and health after a tumultuous divorce that settled after two years and nearly 6 mediated sessions.

[12] At UT Miller organized an event at Ft. Sam Houston near San Antonio where fellow Longhorns greeted, interacted with, and played dodgeball with wounded soldiers.

[13] Miller returned to visit Ft. Sam Houston as an NFL player in 2010 as part of the "Pros 4 Vets" organization founded by Toby Keith.

He is a part of a group of professional football players from Killeen who put on numerous charity events in the Ft.

Miller annually participates in the Children's Cancer Center Christmas Party[14] as well as many of the Glazer families foundations events.