Casual hockey fans, this one was for you.
The Bruins stood within a goal Wednesday night of all but guaranteeing their second Stanley Cup in three seasons, but their stranglehold on Lord Stanley turned all butterfingered when Brent Seabrook’s slapper from above the right faceoff circle eluded Tuukka Rask and delivered the Blackhawks to a 6-5 overtime victory at the Garden.
The win, their second in overtime in this series, also deadlocked the series, 2-2, with Game 5 Saturday night in Chicago and Game 6 back on Causeway Street on Monday.
It was among the wackiest, most entertaining evenings in recent Stanley Cup history. No lead (all owned by Chicago) was safe. Defensive play, long the Boston strong suit, was consistent only in its sloppiness. Full story for BostonGlobe.com subscribers.