Vanek released the following statement:
"Representatives of the U.S. federal government have asked for my cooperation in an investigation. I am not the subject of any investigation or prosecution. I will fully cooperate with the U.S. federal authorities in their investigation or in any proceedings arising out of it."
Vanek was drafted by the Sabres in 2003 and was traded in 2013. He signed with the Minnesota Wild this summer.
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