Dallas Cowboys linebacker Rolando McClain has run into numerous off-the-field problems in his NFL career, so his latest slip-up doesn't come as much of a surprise: the team announced on Friday that McClain has been suspended indefinitely by the league for violating the NFL's substance abuse policy. McClain may now be out of chances in the league.

So much talent

McClain became a star back in college, when he served as the linebacker for the dynastic Alabama Crimson Tide. He was a highly-hyped prospect and lived up to it in Nick Saban's system. He made the All-SEC First Team in 2008, but truly emerged the following year, when he was a unanimous All-American selection, Butkus Award winner, and SEC Defensive Player of the Year recipient on a national title team.

McClain parlayed his college success into the eighth selection in the 2010 NFL Draft by the Oakland Raiders after skipping his senior season. It didn't take long for his NFL career to go off the rails, though.

Talent wasted

The first two seasons McClain spent in Oakland saw minimal success on the Football field, but relative quiet away from it. It wasn't until 2012 when rumblings suggested his time in Oakland, and the NFL, may be short lived. He was kicked out of a team practice in November and posted on social media that he was no longer part of the team, mentally at least. In April 2013, he was waived.

The linebacker quickly caught on with the Baltimore Ravens, but it was just another bizarre scene in McClain's career, as he retired from the NFL just a month after signing with the team.

McClain came out of his retirement with a trade to the Dallas Cowboys and the linebacker became an integral part of the team. Then, he was suspended for four games to start the 2015 season for a substance abuse violation. Still, he was a vocal leader and a demonstrative force. He signed with the team again for 2016, but was suspended 10 games for another substance abuse violation amidst a reported codeine addiction.

Now, the NFL has ruled him out indefinitely. After his contract with the Dallas Cowboys expires at the end of the year, expect McClain's time as an NFL linebacker to come to an end.

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