Richard Jefferson (back) is questionable for Friday's game against the Spurs, Dwain Price of the Fort Worth Star-Telegram reports.

Jefferson (back) is questionable for Friday's game against the Spurs, Dwain Price of the Fort Worth Star-Telegram reports.

Analysis:

Jefferson left Tuesday's game due to back spasms and has been deemed "day-to-day" by the team. The Mavs will wait until Friday to give Jefferson and final evaluation and rule him in or out for the matchup with San Antonio.