WILMINGTON — Among other things, Tuukka Rask’s 21-game lockout tuneup in the Czech Republic reminded the goalie to stay patient.

In the NHL, when opponents bust loose for a two-on-one rush, Rask knows what his defenseman will do. Be it Zdeno Chara, Dennis Seidenberg, or any member of the Bruins’ back line, the defenseman will play the cross-ice pass.