Former Florida Attorney General Pam Bondi is President-elect Donald Trump’s revised pick to lead the U.S. Department of Justice. If confirmed by the U.S. Senate, Bondi will play an instrumental role in reshaping the business of sports—especially in how antitrust law governs the industry.

In Ms. Bondi, who served on his legal team during his first impeachment, the president-elect turned to a loyal ally to put his stamp on a Justice Department that he sees as hostile to him.