Oakland Raiders quarterback Terrelle Pryor's agent, Drew Rosenhaus, informed the NFLPA on Friday that Pryor wants to move forward with an appeal of his five-game suspension, sources told ESPN's Chris Mortensen.

The union is seeking confirmation from Pryor before it files the appeal.

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Pryor had previously said he would not oppose the penalty the NFL imposed as a condition of making him eligible for the supplemental draft. Commissioner Roger Goodell said the NFL suspended Pryor for violating NFL eligibility rules when he sold memorabilia while playing for Ohio State.

Pryor agreed before playing in this year's Sugar Bowl against Arkansas that he would sit out five games for the Buckeyes in 2011 because of the violations. Pryor later left school, after coach Jim Tressel resigned amid the scandal.

Members of the NFLPA executive committee had pushed for the union to appeal the NFL's suspension. Charlie Batch of the Pittsburgh Steelers and Scott Fujita of the Cleveland Browns were particularly vocal about their concern that the punishment sent the wrong message. Though Goodell said he made the decision without consulting the NCAA, Fujita, Batch and were concerned about collegiate violations carrying over to the NFL and Goodell making unilateral decisions on punishments.

Goodell said earlier this week that he would have suspended Tressel, hired by the Indianapolis Colts as a game-day consultant, if Tressel and the Colts hadn't decided to delay Tressel's employment until Week 7 of the season.

The NFLPA will conduct a full inquiry into the events surrounding Pryor's suspension and legal counsel. Pryor's attorney, David Cornwell, filed a letter Aug. 26 saying he planned to appeal.

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The Raiders drafted Pryor in the third round of the supplemental draft. He is behind both Jason Campbell and Kyle Boller on the Raiders quarterback depth chart and does not count against the Raiders roster while serving his suspension.