Johnson reverted to the 49ers' practice squad Monday, Nick Wagoner of ESPN.com reports.

EDGE Analysis

With the 49ers backfield depleted by injuries, Johnson was called up to the active roster but didn't make an impact on offense this past Sunday against the Packers, being relegated to nine snaps on special teams. Trenton Cannon also was used exclusively on special teams (17 such plays), while Trey Sermon (41 snaps on offense) and Kyle Juszczyk (52 total plays) were the other backs to see action. There's hope Elijah Mitchell (shoulder) is able to do enough this week to return next Sunday versus the Seahawks, which could mean no elevation for Johnson in Week 4.