Darren McFadden has sued his longtime business manager, saying he misappropriated and mishandled money throughout his career, including $3 million lost in a bitcoin business venture.

The $15 million lawsuit was filed against Michael Vick of Mabelvale, Arkansas, and 10 unknown others named only as "Doe."

Vick is not the former NFL quarterback.

McFadden's lawsuit said that two days after his 2008 debut with the Oakland Raiders, Vick used fraudulent documents to gain power of attorney and later fabricated fictitious financial records to hide what he was doing.