According to Pro Football Reference, Johnson has allowed 14 catches on 26 targets for 206 yards and no touchdowns. Opposing quarterbacks are averaging a 47.9 passer rating when throwing at him.
The recovery time typically is more than four weeks, which is the minimum stay required for an injured reserve stint.
The QB class looks as uncertain as ever headed into the final weeks of college football's regular season. What will that mean for Round 1?
Nick Rallis had his second child, Dominick Kyzir Rallis, on Sunday morning, hours before helping the Cardinals to a win over the Bears.