By Steve Keating TORONTO (Reuters) - Either Toronto FC or Seattle Sounders, both hailed as model franchises when they entered the league, will finally deliver on the success predicted for them when Major League Soccer crowns a new champion on Saturday. With fan bases many European clubs would envy and deep-pocketed ownership, Toronto and Seattle entered the league to massive hype and fanfare but fell short of expectations until this season as both secured their first MLS Cup berth. The Sounders, who averaged crowds of over 42,000 a game this year, have been the MLS 'nearly men' since their debut in 2009 as they qualified for the playoffs each season but were never able to reach the summit. More...