Treadwell (hamstring) was unavailable for practice with the Colts on Thursday, James Boyd of The Athletic reports.
Allen was unavailable for the Colts' practice Thursday due to a hamstring injury, James Boyd of The Athletic reports.
Rucker left the Lions' training camp practice with an ankle injury Thursday, Richard Silva of The Detroit News reports.
Wingo left the Lions training camp practice to be evaluated for a groin injury Thursday, Richard Silva of The Detroit News reports.
The Colts placed McKeon (undisclosed) on injured reserve Thursday.
The Colts signed Brown to a contract Thursday.
The Lions and Gibbs (back) agreed to terms on a three-year extension Thursday, Adam Schefter of ESPN reports.
Gibbs (back) and the Lions have made substantial progress on a three-year contract extension that would make him the highest-paid running back in the league, NFL reporter Jordan Schultz reports Thursday.
Gibbs (back) took part in the Lions' walk-through and stretch Thursday before taking part in conditioning work on a side field during practice, Dave Birkett of the Detroit Free Press reports.
Gibbs (back) was in uniform and taking reps during the early walkthrough portion of Thursday's practice, Tim Twentyman of the Lions' official site reports.
