Allen Park — Detroit Lions coach Dan Campbell dropped a nugget on Thursday that had potential to be a major concern, when he mentioned that running back Jahmyr Gibbs is dealing with "a little bit of a back" injury that popped up during his conditioning test. We were hopeful (for) today, but just, (we said), 'Man, let's back this up one more day,'" Campbell said. AdvertisementAdvertisement Advertisement▶ OL Ben Bartch: Bartch, who missed practice during the spring because of a foot injury that ended his 2025 season, hasn't taken many reps in team drills this camp. Campbell said the team is "trying to be smart" with Bartch and hopes to get him "some team reps next week." nbianchi@detroitnews.com@nolanbianchiThis article originally appeared on The Detroit News: Lions' Dan Campbell follows up on severity of Jahmyr Gibbs' back injury