The Vikings placed Johnson (knee) on injured reserve Monday, Chris Tomasson of the St. Paul Pioneer Press reports.
Johnson sustained a torn ACL during Saturday's preseason game at Denver, Tom Pelissero of NFL Network reports.
Johnson left Saturday's preseason finale versus the Broncos early with a knee injury, Andrew Krammer of the Minneapolis Star Tribune reports.
Johnson had three receptions on six targets for 29 yards in Saturday's preseason loss to San Francisco.
Johnson (knee) was a full participant in Tuesday's OTA practice, Sports Illustrated reports.
Johnson (knee) was activated off the reserve/COVID-19 list Monday, Aaron Wilson of Sportstalk 790 Houston reports.
Johnson (knee) was placed on the reserve/COVID-19 list Wednesday, Andrew Krammer of the Star Tribune reports.
Johnson (knee) was placed on injured reserve Monday, Eric Smith of Vikings.com reports.
Johnson was diagnosed with a torn ACL on Saturday, Tom Pelissero of NFL Network reports.
Johnson didn't see a single target Week 17 and will end his 2020 campaign catching 14 of his 19 targets for 189 yards throughout 16 games.