Barnes (undisclosed) was waived from the Lions' injured reserve list Friday.
Barnes was placed on IR back in May after suffering his injury. It's unclear how severe the injury is, but if he can pass a physical he'll be eligible to play for another team in 2018.
Barnes (undisclosed) cleared waivers and was placed on injured reserve Tuesday, Michael Rothstein of ESPN.com reports.
After going undrafted in 2017, Barnes spent his rookie campaign looking for employment and eventually latched onto the Lions' practice squad in late December. Barnes was a long shot to make the 53-man roster anyway with tons of talent ahead of him in the depth chart.
Barnes (undisclosed) was waived with an injury designation Monday, Tim Twentyman of the Lions' official site reports.
Barnes has been with Detroit since joining the team's practice squad last December. While it isn't clear what sort of injury he's dealing with, Barnes will revert to injured reserve if he passes through waivers unclaimed.