By Steve Keating TORONTO (Reuters) - Toronto versus Montreal is always a hot ticket among sport fans in Canada's two biggest cities but it usually involves hockey not soccer as it will on Wednesday when the Impact and Toronto FC clash for a spot in the MLS Cup final. A sell-out crowd of close to 36,000 is expected at Toronto's BMO Field for the second leg of the Eastern conference final with Montreal holding the advantage after a nervy 3-2 win in the opening leg at home in front of 61,000 at Stade Olympique. The winners will be the first Canadian-based franchise to reach the Major League Soccer final. More...