The battle over what the New England Patriots owe to former tight end and accused murderer Aaron Hernandez could begin this week. 

FOX Sports One reports that the National Football League Players Association is getting set to file a grievance on Hernandez's behalf, seeking an unpaid 82-thousand dollar workout bonus.  The grievance is expected to be the first move in an effort to force the Patriots to pay the remaining portion of Hernandez's signing bonus.

New England is slated to pay Hernandez $3.25 million on March 31st, 2014, but is expected to withhold that money.

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