 On June 10, 1992, Marsh was traded back to the Toronto Maple Leafs for cash; however, on July 20, 1992, the Maple Leafs traded Marsh to the Ottawa Senators for future considerations.Marsh was named an alternate captain for the Ottawa Senators in their inaugural season.Marsh played his first game with the Senators on October 10, 1992, as he was held with no points in a 9-2 loss to the Quebec Nordiques.