The major sports leagues in North America are stocked with former Am Law 100 lawyers, as are the labor unions representing their players. Below are some key in-house lawyers and executives in the pro sports realm.

Major League Baseball: Commissioner Robert Manfred Jr. (Morgan, Lewis & Bockius); chief legal officer Daniel Halem (Proskauer)

National Basketball Association: Commissioner Adam Silver (Cravath, Swaine & Moore/son of late Proskauer chair Edward Silver); general counsel Richard Buchanan (Covington); union executive director Michele Roberts (Skadden)