Lions RB Jahmyr GIbbs posted a picture on social media of teammate Jermar Jefferson that included more than a dozen of the team's protection calls

While the code words help disguise what the Lions are running on a play-by-play basis, teams can identify tells and tendencies simply by watchng the tape. As a result, Campbell knows that a lot of what the team likes to do is not a secret.

Detroit Lions head coach Dan Campbell appeared to at least slightly reverse course on Monday, declaring that he didn't consider running back Jahmyr Gibbs accidentally leaking some

Jahmyr Gibbs stirred up a controversy by posting a photo that contained info on the Lions' protection calls, but Dan Campbell isn't sweating it.

Lions head coach Dan Campbell not at all worried about Jahmyr Gibbs inadvertently leaking Detroit’s OL calls in a social media post

Gibbs, 22, accidentally revealed Detroit's protections, visible on a whiteboard at the team facility, in a Snapchat video.

Despite a mind-boggling mistake by Jahmyr Gibbs, Dan Campbell is confident that it's not going to hurt the Lions at all.

On Sunday, Lions head coach Dan Campbell discussed the heated NFC North race ahead of this week’s game against the Packers.

Jahmyr Gibbs has been one of the NFL's top playmakers, helping fuel the Detroit Lions' No. 1-ranked scoring offense. The second-year running back may have earned himself a scolding from head coach Dan Campbell,

Detroit Lions coach Dan Campbell was unaware of a social media photo posted by running back Jahmyr Gibbs that appeared to show team plays on a whiteboard in the background.

Detroit Lions running back Jahmyr Gibbs got snitched on by a reporter after he leaked the team's plays in a picture.