05/13/21: Signed by Seattle as a UDFA
12/01/2021: Signed to Seattle's practice squad
Opted out of North Dakota State's spring 2021 season to declare for the NFL Draft. Was a 2019 FCS All-American, Johnson had 72 receptions for 1,222 yards and eight touchdowns. His best collegiate season was 2018, when he had 1,332 yards and 17 touchdowns on 67 receptions. Holds three school records; single-season touchdown receptions (17 in 2018), single-season kickoff return yards (839 in 2017) and single-game touchdown receptions (4 in 2018, shares record with three other players). Left school ranked third in career touchdown receptions (28), fifth in receiving yards (2,872) and sixth in receptions (162). Earned all-state honors in both football and basketball at Bellevue West High School. Set school receiving records with 43 catches for 1,061 yards and 16 touchdowns during his senior season, adding 240 return yards and four interceptions. Also played on a state championship basketball team as a sophomore. Father, Clester, was a member of the 1994 and 1995 Nebraska national championship teams. Brother, Keagan, plays for the University of Iowa. Majored in consumer affairs.