It's official: Mavs vs. Heat for Christmas

Coming Christmas Day, an NBA Finals rematch featuring the Dallas Mavericks against the visiting Miami Heat.

The NBA announced the official lineup for Dec. 25, expected to be the opening day for the 2011-12 season assuming all goes as planned with the final stages of labor negotiations set to begin today and the tentative labor agreement is passed next week.

The opener is set for a 1:30 p.m. (CT) tip and will be televised on ABC.

Five games are slated for the day: The Boston Celtics play at the New York Knicks (11 a.m.,TNT), the Chicago Bulls are at the Los Angeles Lakers (4 p.m., ABC), the Oklahoma City Thunder play the Orlando Magic (7 p.m., ESPN) and the Los Angeles Clippers face the Golden State Warriors (9:30 p.m., ESPN).

The remainder of the 66-game, 2011-12 season is expected to be released on Tuesday.

Tickets for the preseason game against Oklahoma City on Dec. 18 and for regular-season games are expected to go on sale some time after the NBA releases the schedule.