He was signed by the Seattle Seahawks of the National Football League (NFL) as an undrafted free agent.

During his senior year at Katy he recorded 123 tackles, 2 sacks and 4 interceptions on defense and 22 receptions for 200-plus yards with 5 TDs on offense.

In his redshirt junior year in 2007, Pinkard was moved to the top of the cornerback depth chart.

In November 2007, Pinkard pleaded no contest to alcohol-related reckless driving and was sentenced to 36 months of probation and was ordered to pay a fine.

[3] When a senior, Pinkard was granted a sixth year by the NCAA due to two season-ending knee injuries.