According to sources, the MLS Players Association filed a grievance on behalf of Atlanta United players for multiple infractions of how Heinze handled the team’s schedule. - Eales said the decision to fire Heinze wasn’t due to performance and didn’t have any connection to the feud with Josef. Eales also declined to comment on the grievances that have reportedly been filed and the MLSPA also declined to comment. - Heinze worked the players relentlessly, often doing two-a-day training sessions, while he put in his tactics. The two-a-days stopped for a while until the first international break when he re-started them. Midfielder Emerson Hyndman suffered an ACL injury and was lost for the season during one of the sessions. Numerous other players, including Jurgen Damm, Alan Franco and Matheus Rossetto, sustained injuries during training sessions that resulted in them missing numerous games. (via Doug Roberson/AJC) - Grievances have been filed against Atlanta United previously as well und...