Miami Dolphins running back Ricky Williams looks up at the...

Miami Dolphins running back Ricky Williams looks up at the scoreboard as officials review a play where Williams was tackled by New England Patriots linebacker Roman Phifer and kept running before being taken down again during a fourth quarter play. (Oct. 19, 2003) Credit: AP, 2003

Former NFL running back Ricky Williams now coaches running backs at University of Incarnate Word. He remains an "open book," he said, for his players.

In an interview with Campus Insiders, Williams was asked his suspensions for marijuana. He disagreed with the notion that it was his "Achilles heel."

Watch the clip below.

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