Johns announced his retirement on Instagram on Sunday.

Johns (undisclosed) is currently in Dallas going through quarantine, Brien Rea of FOX Sports Southwest reports.

Johns (undisclosed) missed most of the Stars' playoff run because he "didn't feel comfortable playing anymore," Matthew DeFranks of The Dallas Morning News reports.

Johns (undisclosed) is still considered unfit to play heading into Wednesday's Game 3 against the Lightning, Matthew DeFranks of The Dallas Morning News reports.

Johns (undisclosed) will miss Monday's Game 2 matchup with Tampa Bay, Sean Shapiro of The Athletic reports.

Johns is still considered unfit to play ahead of Saturday's Game 1 against Tampa Bay, Mike Heika of the Stars' official site reports.

Johns (undisclosed) is "unfit to play" in Monday's Game 5 versus the Golden Knights, Dan Rosen of NHL.com reports.

Johns (undisclosed) is still considered unfit to play ahead of Saturday's Game 4 versus the Golden Knights, Sean Shapiro of The Athletic reports.

Johns (undisclosed) continues to be sidelined heading into Thursday's Game 3 clash with Vegas, Sean Shapiro of The Athletic reports.

Johns (undisclosed) has been deemed "unfit to play" in Tuesday's Game 2 versus the Golden Knights, Greg Wyshynski of ESPN.com reports.