Johnson (upper body) was placed on waivers Tuesday, per Michael Russo of The Athletic.
Johnson is considered day-to-day with an upper-body injury, Michael Russo of The Athletic reports Monday.
Johnson (concussion) signed a one-year, two-way contract with the Wild on Monday.
Johnson (concussion) will become an unrestricted free agent Monday after not receiving a qualifying offer from Chicago.
Johnson (concussion) will visit the doctor Friday after suffering a setback, according to Ben Pope of the Chicago Sun-Times.
Johnson is making progress in his recovery from a concussion, Scott Powers of The Athletic reports.
Johnson (concussion) won't accompany the Blackhawks on the team's upcoming three-game road trip, per Mark Lazerus of The Athletic.
Johnson (concussion) will be out Friday against the Kings, per Charlie Roumeliotis of NBC Sports Chicago.
Johnson suffered a head injury Tuesday and is in concussion protocol, according to Ben Pope of the Chicago Sun-Times.
Johnson recorded an assist in Sunday's 3-2 overtime loss to Detroit.