David Greenspan

Practice Areas

In the antitrust arena, David Greenspan has litigated cases involving alleged cartels, monopoly and monopsony conduct, predatory pricing, price fixing, group boycotts, bid rigging, and other restraints of trade. His practice is balanced between litigation defense, litigation prosecution, and counseling. Representative defense work includes defending alleged cartel activities in multidistrict class actions, defending alleged monopolization under various federal and state antitrust laws, and defending companies in criminal and administrative proceedings brought by the U.S. Department of Justice (DOJ) and international competition authorities.  On the plaintiff’s side, David has prosecuted group boycotts and other restraints of trade in the sports and entertainment industries, among others. David regularly counsels clients on antitrust matters, including implementing antitrust compliance policies, conducting antitrust trainings, and advising on day-to-day business issues.

David also Co-Chairs Winston’s top-ranked Sports Law Practice. One of the nation’s leading sports law litigators, David has litigated sports-industry cases involving antitrust law, labor law, licensing, agent regulation, active and retired player rights, and collegiate athlete rights. David has represented all four major U.S. professional sports players associations, myriad professional athletes and agents, and teams and owners in disputes with their respective leagues. He was trial and appellate counsel in the landmark Alston v. NCAA antitrust litigation, wherein the team prevailed at trial and that culminated in a widely reported unanimous Supreme Court victory. Both the stunning trial and Supreme Court wins were recognized by The American Lawyer (Am Law) via prestigious “Litigator of the Week” wins. David routinely represents the NFL Players Association (NFLPA) and NFL players, including in matters involving Tom Brady, Colin Kaepernick, Ray Rice, Adrian Peterson, Ezekiel Elliott, Eric Reid, Terrell Owens, and Michael Vick.

David is part of the group recognized with GCR’s 2022 “Litigation of the Year: Cartel Prosecution” award for Winston’s historic unanimous Supreme Court victory for college athletes in Alston v. NCAA.