Dallas Cowboys defensive end Randy Gregory practiced for the first time since the end of the 2016 season on Monday, nearly a month after he was reinstated by the league from suspension. Gregory, whose third violation of the NFL's substance-abuse policy left him suspended for all of 2017, told reporters Monday he wasn't sure he would ever return to the Cowboys, or play football again. "Obviously, there was a chance that I would play again if I did the right things," he said, "but just looking at everything that was mapped out as far as what I needed to do and what I had going on in my life at the time, it was hard for me to say that I really thought I was going to be back." Gregory, 25, played in just two games in 2016 due to suspensions, after he appeared in 12 as a rookie in 2015.