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The 1985-1986 season saw the NBA schedule just two Christmas Day games.
The Boston Celtics at Madison Square Garden squared off against the New York Knicks, and the Los Angeles Clippers traveled to the Portland Memorial Coliseum to face the Trail Blazers Team.
The Knicks' participation in Christmas Day games had become routine, after all, the very first Christmas Day game in history took place at Madison Square Garden featuring the Knicks against the Providence Steamrollers.
Today the Steamroller team is no more, but the Knicks are still playing on Christmas Day, and even though they've had a poor season and are riddled with injuries, thanks to the presence of Ewing, tickets at Madison still sold very well.