 Suffering an off-season training back injury, Haydar has opted to sit out the 2016–17 season — having recently returned to Milton after three seasons in Europe and in the midst of making plans for his post-playing future.He later concluded his professional career in accepting a position as a sales representative at a real estate entity in Milton, Ontario, working alongside his older brother Ryan, who was also a hockey player but now has officially retired.After first experiencing symptoms in 2012, Haydar was diagnosed over a year later with multiple sclerosis and has organized a charity golf tournament in support of the MS Society of Canada’s Hamilton-Halton Chapter since 2017.