Irwin is co-head of O'Melveny's Entertainment, Sports and Media Industry Group, advising clients on sports business issues on both the professional and collegiate levels. He has represented owners and acquirers of professional sports teams, leagues, universities, and state governments. Irwin’s experience includes MLB, MiLB, MLS, NBA, NHL, NFL, and EPL, and major colleges and universities. Irwin is an owner of the Oklahoma City Dodgers (MiLB), and the MLS Los Angeles Football Club. Irwin has handled new stadium development projects, project program and development counseling, financing, construction, license/lease agreements, management agreements, concessions, merchandising, ancillary development, licensing arrangements, promotional and advertising agreements (including naming rights), sports technology counseling/ventures, ticketing arrangements, stadium service agreements, RSN formation, and television, radio and media rights agreements.