[1] Throughout his high school career Johnson was rated as a three-star recruit and was offered by Temple, Miami (OH) and Bowling Green.
[3] As a redshirt Freshman for the Bowling Green Falcons in 2012, he was a backup quarterback behind Matt Schilz.
In the MAC Championship Game against undefeated and nationally ranked Northern Illinois, Johnson threw for a career high 393 yards and five touchdowns.
On the season, Johnson was named MAC East Division Offensive Player of the Week three times.
[6] In his season debut, Johnson threw for 424 yards and two touchdowns against Tennessee in a 30-59 defeat where he was named MAC East Offensive Player of the Week.
The next week against Purdue, Johnson threw for his fourth straight 400-yard performance with 402 yards and a career high 43 completions on 59 attempts and one touchdown in a 35-28 upset victory.
In week 10, Johnson threw three touchdown passes in a MAC East-clinching win at Western Michigan.
[7] He was named honorable mention All-America by Sports Illustrated and a semifinalist for Davey O'Brien Award.
[15] He coached former Wake Forest Demon Deacons commit Tayvon Bowers and appeared on QB1: Beyond the Lights.
[16] In 2017, Johnson reunited with his former collegiate coach Dino Babers and became the offensive quality control assistant at Syracuse.