ALLEN PARK -- The Detroit Lions are making more roster moves following last week’s rookie minicamp. They are signing rookie edge defender Keith Cooper Jr. and waiving interior offensive lineman Leif Fautanu.

The Lions have signed another player who participated in the rookie minicamp over the weekend on a tryout basis. Detroit has signed defensive lineman Keith Cooper after the successful tryout. Cooper is a 6-foot-3,

After inking deals on Monday with tight end Luke Deal (Auburn), wide receiver Malik Taylor (Ferris State) and defensive lineman Raequan Williams (Michigan State), the Lions on Tuesday signed defensive end Keith Cooper Jr. (Houston) to their active roster.