Washington Wizards at Dallas Maverick

from ESPN.com:

Both teams were in throwback uniforms. The Mavericks wore their green from 1987-88 and the Wizards wore their orange from 1970-71 when they were based in Baltimore and were known as the Bullets.

Philadelphia 76ers at Detroit Pistons

From ESPN.com :

Both teams wore retro uniforms. Detroit had lightning bolts on its shorts and jerseys like it did during the 1979-80 season, and Philadelphia sported Syracuse Nationals uniforms from the 1954-55 season.