Bruins rookie goaltender Tuukka Rask was the first goaltender off the ice during Monday’s pregame warmups, and that’s a sure indicator it’ll be Rask rather than Tim Thomas in the net for the Bruins Monday afternoon against the Avalanche. Rask made 35 saves in Boston’s 4-3 shootout win over the New York Islanders on Saturday night, and clearly impressed Claude Julien enough for a second consecutive start