To present a genuine issue of material fact for trial as to the qualified immunity of the defendants in a wage discrimination claim, the plaintiff must present valid comparators with substantially similar positions.
http://www.ca5.uscourts.gov/opinions/pub/17/17-40737-CV0.pdf
Since 2011. An occasional commonplacing of the U.S. Circuit Courts of Appeal.
Neither an authoritative statement of the law nor legal advice. Quick work.