[1] He was featured on the Texans' season of Hard Knocks, notable for his impersonation of then head coach Bill O'Brien.

[2][3] Lee was traded from the Texans to the Chicago Bears for a sixth round pick in the 2017 NFL draft on September 2, 2015.

[13] Despite being best utilized as a blocker during his NFL career,[14] Lee caught all eight of his targets, turning those eight receptions into 91 yards and two touchdowns in the shortened five-game 2020 season.

[15] On March 12, 2020, the XFL canceled the remainder of the 2020 season and allowed its players to sign with NFL teams.

[18] During his time in the XFL, Pro Football Focus named Lee as its highest graded tight end.