COLUMBIA, Mo. — Missouri quarterback Maty Mauk has been suspended indefinitely.

Athletic director Mack Rhodes and coach Barry Odom announced the punishment on Monday night after a brief video was posted to Twitter. It shows a person appearing to snort a white, powder-like substance and the accompanying tweet mentions Mauk by name, but there was no confirmation from Missouri that the video shows the quarterback.

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Rhodes and Odom say in their joint statement they are “gathering information regarding the video in question.” They say they will take “appropriate action” once they have all the facts.

It is Mauk’s third suspension in the last four months. He was suspended in September for an undisclosed violation of team policy and again in November for unspecified disciplinary reasons.