It's a daunting task, but Devan Dubnyk isn't quibbling with the timing of taking over as starting goaltender for the Edmonton Oilers now that Nikolai Khabibulin has been put on injured reserve with a groin strain. (...) Dubnyk, 24, who has 23 NHL games to his credit, will start Friday against the Phoenix Coyotes at Rexall Place with the Oilers in a throes of a five-game winless streak. It's a stretch in which they have been outscored 30-8."It