"I'm officially retiring from football this week." Carr wrote on his Twitter page. "It's been a great ride."
Carr retires with 229 career tackles, seven interceptions, seven forced fumbles and two and a half sacks.
"Thank you to everybody in Reno for supporting me -- especially at McQueen High School." Carr added on his Twitter page.
Carr went on to say that he will be attending law school in the fall.