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Cowboys 2015 second-round pick -- and top-10 talent -- Randy Gregory has already been suspended four games for violating the league's substance-abuse policy, and now the pass rusher has checked into a treatment facility, according to ESPN's Ed Werder.

And ESPN's Todd Archer reports that Gregory had another violation of the league's substance-abuse policy and is now facing a longer suspension.

In May, Cowboys owner Jerry Jones, who has been known to gamble on players with off-field issues, called Gregory "brilliant," but admitted that the 23-year-old "has his demons."

"Randy had the highest we have on record SAT scores that we have signed," Jones said at the time. "So I enjoy conversations with him. There is no misunderstanding with Gregory and where his obligations are and what he needs to get done. We don't have to worry about that part because he understands. So how is he is doing? He is doing excellent. I think all thumbs are up."

But Jones tempered that praise with the understanding that Gregory has had his struggles.

"He's got gifts. He understands he has gifts, God's gifts," the owner continued. "He's got great human skills, personality. He is nothing short of brilliant. Certainly he has his demons. A lack of understanding of where he is is not one of them. We pray for him. We want him to him to have the kind of career his gifts would allow him to have, which is an exceptional, exceptional football player. He is probably the top rusher in the last two drafts. We need him. We want to get him back."

The Cowboys will have to wait four games -- and possibly more. If Gregory fails another test he's looking at a 10-game suspension, and then it's a 12-month ban.

"It starts with me," Gregory said last spring, shortly after the Cowboys drafted him. "I made a couple of bad decisions and at that point, everyone took it and spun it however which way then wanted. Right now, I'm just trying to rebuild my image, trying to focus on being the best professional I can, make as many plays on the field as I can, keep the coaches happy, keep Mr. Jones happy. The past is the past. I'm trying to look forward to the future."

If Gregory can't change, that future won't include football.