The journeyman point guard played in 42 games for the Utah Jazz last season.
The Pelicans built a 29-point lead in the third quarter.
John Wall is expected to practice Tuesday, but he was held out Monday night with the same injury that bothered him during his rookie season.
Guard sprained his right ankle Wednesday against Maccabi Haifa.
Pierce limped off the court at the end of the second quarter but returned after halftime.
The second-year shooting guard is day to day.
Orton didn't appear in a preseason game.
Rice sustained the injury at the beginning of the third quarter
Wittman believes the NBA should stick with 48-minute games.
The Wizards had until Halloween to exercise the options.