Sources: A-Rod reps open grievance claim

[ESPN]

Alex Rodriguez's lawyers contacted the Players Association earlier this month to formally begin the grievance process into claims that the New York Yankees have mishandled his medical treatment since last October's playoffs, sources said.

http://espn.go.com/new-york/mlb/story/_/id/9579580/alex-rodriguez-lawyers-began-grievance-process-sources-say]