He played college football for Western Kentucky and was signed by the Kansas City Chiefs as an undrafted free agent following the 2021 NFL draft.
He attended Bryan Station High School, playing on offense and defense.
As a redshirt-freshman the following year, Key was starting safety to begin the season, making 94 tackles (44 solo, 50 assisted) to rank second on his team and 16th in the conference.
[1] He started all 12 games as a sophomore, compiling 71 tackles to lead the team's defensive backs.
He again started every game during his senior season, breaking the FBS-era team record for career tackles, with 350.
[1] After going unselected in the 2021 NFL draft, Key was signed by the Kansas City Chiefs as an undrafted free agent.
[17] His younger brother, Dane, plays as a wide receiver at the University of Kentucky.