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Lions camp observations: O-line shuffle, more practice-halting chippiness, and punchout efforts rewarded

Lions camp observations: O-line shuffle, more practice-halting chippiness, and punchout efforts rewarded

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Justin Rogers
Jul 24, 2025
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Detroit Football Network
Detroit Football Network
Lions camp observations: O-line shuffle, more practice-halting chippiness, and punchout efforts rewarded
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Allen Park — Here are some notes and observations from the Detroit Lions’ Thursday morning training camp practice.

● As always, let’s start with a quick injury update. Linebacker Alex Anzalone (hamstring), defensive tackle Roy Lopez (foot) and running back Sione Vaki (hamstring) remained sidelined.

Among the new issues that cropped up on Thursday, linebacker Derrick Barnes (hand) and cornerback Terrion Arnold (leg) left in the second half of practice for further medical evaluation. I didn’t see when either injury occurred. Asking around to the other reporters in attendance, no one seemed to have eyes on it. For what it’s worth, both players walked off without assistance.

It’s safe to expect updates on both Arnold and Barnes on Friday morning, when coach Dan Campbell is scheduled to meet with the media ahead of the team’s first padded practice.

In more positive news, defensive tackle Brodric Martin was back on the field after exiting Tuesday with a foot injury. And cornerback Stanley Thomas-Oliver was activated off the non-football injury list.

● For the second consecutive practice, coach Dan Campbell had to stop things, huddle up the team and tell the roster to chill out. There were four minor post-whistle scuffles to start the day, and the coach was getting ahead of things before they escalated further.

One incident saw agitating wide receiver Amon-Ra St. Brown deliver a late block under the chin of defensive back Brian Branch, who took exception to the action that could have easily justified a flag for hands to the face.

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