Hackett attended TCU from 2011 to 2014. After redshirting in 2011, Hackett became a starter his redshirt freshman season. He remained a starter through his junior season.[3]
After his junior season, Hackett entered the 2015 NFL draft.[4][5] He finished his career with 224 tackles and 12 interceptions.[6]
After going unselected in the 2015 NFL draft, Hackett signed with the Tampa Bay Buccaneers as an undrafted free agent on May 5, 2015.[8] On September 4, 2015, he was waived.
Oakland Raiders
On December 1, 2015, Hackett was signed to the Oakland Raiders' practice squad.[9] On August 29, 2016, he was released by the Raiders.[10]