Over a 40-year career, that means that black women make $946,120 less than white men, according to the National Women's Law Center.
The two professors allegedly both received above norm teaching ratings and were promoted at the same time.
U.S. Soccer president Carlos Cordeiro stated on Monday that women had been paid more than men over the last nine years.
The USWNT's co-captain spoke with Washington senators Patty Murray and Senator Maria Cantwell on Sunday to champion her cause.
"She ignored the USWNT's demands for pay equity while cheering on their World Cup victory," Troiano said in an email.
The 34-year-old soccer star quoted the late rapper on her Instagram following the USWNT's triumph in France.
Fans chanting "equal pay" during the U.S. women's national soccer team's World Cup victory reinvigorated calls to match the salaries of the professional men's league.
"It's a shame that we still are fighting for treatment that reflects our achievements and contributions to the sport," said team co-captain Carli Lloyd.
Ivanka Trump "was complicit in this rollback in equal pay," a spokeswoman for Democracy Forward said.
"Ivanka and her staff were instrumental in the administration's decision to actually go forth with the rollback," a spokeswoman for the watchdog group said based on emails it obtained.
"It was curious to us that someone who had been seemingly an advocate of equal pay would in such short time reverse course," a spokeswoman for the watchdog said of Ivanka Trump.
Six women give their top priorities
Books like "Lean In" do not address why ordinary working women are overlooked.
The comedian's Equal Payback Project is raising the estimated $29 trillion owed to all working women