Lions right guard T.J. Lang sustained a concussion in Monday night’s win at Green Bay.
However symptoms didn’t appear until Wednesday when he left practice feeling ill. He was listed on Wednesday’s injury report as having an illness. Doctors saw him after practice and diagnosed him.
Coach Jim Caldwell announced Thursday morning that Lang is in concussion protocol now.
This is not unusual, it can take days for symptoms to appear, per MayoClinic.org.
Concussions vary so it’s impossible to know if Lang will be ready to play on Sunday against the Browns. The timeline seems fairly tight.
Lang has played in seven of eight games so far. He was a late scratch at New Orleans with back issues. In that game he was replaced by Emmett Cleary who could also fill in on Sunday if needed.