He played college football at Fresno State and is the program's all-time leader in receiving yards and receptions.

[2] Johnson redshirted during his 2014 freshman season and only played one game at Fresno State.

He caught at least one pass in all 14 games, extending his streak to a program record 36 consecutive games with a catch dating back to 2015, breaking Henry Ellard's record of 34, set from 1979–82.

[7] For the season, Johnson was fourth in the FBS in receiving yards and fifth in receptions; among active players' careers, he ranked second and first, respectively.

[12] He made his NFL debut in the Cardinals' 2019 season opener against the Detroit Lions.

[26] On February 29, 2024, Johnson signed with the Saskatchewan Roughriders of the Canadian Football League.