FootballOutsiders has DVOA (defense adjusted value over average) and DYAR (defense adjusted yards above replacement) grades for 74 WRs to date. They have Johnson graded as the 74th receiver in both DVOA & DYAR. His 7-51-0 line through three weeks looks as unimpressive on paper as Johnson looked earning it. With his targets and snap shares falling each of the first three weeks, concern for Johnson should be quite high.
In parallel news, teammate Donte Moncrief’s snap share has increased every week and appears to have solidly taken over as the team’s WR2. His 17-200-3 line on 26 targets is especially impressive when you consider he started the season third on the depth chart.
Maybe Johnson finds some youth, connects with the team’s scheme better, or does whatever he needs to do to string together a few fantasy relevant games. It appears already clear though he’ll be doing so as the team’s third receiver, and cannot be relied on every week. He may even be droppable in shallow leagues.