Before joining the Patriots, Reagor played college football for the TCU Horned Frogs at Texas Christian University. He was a standout player for the team, showcasing his speed, agility, and catching abilities on the field. In 2020, he declared for the NFL Draft and was selected by the Philadelphia Eagles in the first round with the 21st overall pick. Reagor played for the Eagles before being traded to the Patriots in 2021.