A source said Lamb’s deal does not include any guaranteed money.
The 6-foot-4, 200-pound Lamb has 100 games of NBA experience with the Milwaukee Bucks and Orlando Magic, averaging 3.5 points in 12.7 minutes per game. He averaged 3.6 points and 13.1 minutes in 53 games with the Magic last season.
The Mavs have 15 players with fully guaranteed contracts, the maximum for a regular-season roster. Lamb joins forwards Charlie Villanueva and Ivan Johnson as players with NBA experience who accepted invitations from the Mavs to attend training camp.