 He was succeeded as the BBC's lead commentator by Jim McGrath.After his retirement, O'Sullevan was actively involved in charity work fundraising for causes which revolve around the protection of horses and farm animals, including the International League for the Protection of Horses (ILPH), the Thoroughbred Rehabilitation Centre and Compassion in World Farming.The National Hunt Challenge Chase Cup (run at the Cheltenham Festival) was named after him in 2008 to celebrate his 90th birthday.