Cowboys sign DE Randy Gregory to one-year extension following conditional reinstatement, per report
Randy Gregory of Dallas Cowboys suspended by NFL for four games for violating substance-abuse policy - ESPN
Randy Gregory suspension intensifies Cowboys' need for defensive line help
Cowboys DE Randy Gregory conditionally reinstated by NFL
The full story of Randy Gregory's essentially six-year rookie contract
Is 2018 the year Randy Gregory finally makes his mark with Cowboys?
Source -- Cowboys DE Randy Gregory files for reinstatement - ESPN
Cowboys' Randy Gregory reinstated by NFL following suspension - Sports Illustrated
Randy Gregory suspended indefinitely by NFL