A couple of years ago umpire Angel Hernandez sued Major League Baseball alleging racial discrimination. The suit has chugged along quietly since then and we’ve not paid it much notice, but Sheryl Ring of Fangraphs has and she has a fascinating update from it that will be of interest to both law and labor geeks.

The short version: Major League Baseball wants to obtain records of communications between Hernandez and the umpire’s union, most likely to see if Hernandez ever brought up discrimination claims to his union before filing the suit. The league also wants the union’s own internal evaluations of the job Hernandez does on the field. MLB hopes to be able to undercut Hernandez’s arguments that he was discriminated against via these records.

That all makes sense, but it led to a side battle involving where the lawsuit should take place and whether MLB can get those records based on the law of said forum of the lawsuit.