IN THE CLOSING moments of "Goon," a bloody tooth spins slowly in the air as we hear the soaring notes of Puccini's "Turandot."
There is, "Goon" implies, something of classic opera in the hockey fight, the grand passions of the evening enacted and expressed by designated performers who play their roles, take their bows, and exit stage right for medical treatment.
We see that there is an art to beating somebody's brains out on the ice. The rituals, the purpose, the rules of engagement at the rink are as old and as honored as they are at Carnegie Hall.
The understudy in "Goon" is one Doug Glatt (Seann William Scott), a beefy bouncer who becomes an Internet sensation when he coldcocks a hockey player who spills into the stands chasing a heckler.
