By Zach Koons The Nets point guard is hoping to recoup the salary that was withheld from him in Philadelphia. View the original article to see embedded media. Ben Simmons has reportedly filed an a grievance to challenge the nearly $20 million of salary withheld from him by the 76ers this season, ESPN’s Ramona Shelburne, Bobby Marks and Adrian Wojnarowski reported on Saturday morning. The grievance, which was filed with the team, NBA and National Basketball Players Association late this week will now go to an arbitration process, per the report. In an attempt to resolve the situation without ar…