MLB's antitrust exemption facing legal challenge as former minor-league teams sue over MiLB overhaul

Major League Baseball's antitrust exemption is facing a new legal test. On Monday, lawyers representing the parent companies of four former minor-league teams (the Staten Island Yankees, Tri-City Valley Cats, Norwich Sea Unicorns, and Salem-Keizer Volcanoes) filed a lawsuit in U.S. District Court alleging MLB's commissioner's office of violating the Sherman Act.