Yes. In 2010 when the Blackhawks played the Flyers at the United Center.
Yes
YES
there have been plenty of games throughout history without any penalties in them
no somebody is always going to mess up
Not in a regular season game or playoff game through 2009.
no team has ever won all playoff their playoff games in one season
Yes.
There have been three of note - the 1971 playoff game won by the Miami Dolphins over the Kansas City Chiefs, the 1986 playoff game won by the Cleveland Browns over the New York Jets, and the 2003 playoff game won by the Carolina Panthers over the St. Louis Rams.
Yes
December 31,1978
Flip Kuba
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