Zeller was waived by the Spurs on Saturday, Jared Weiss of The Athletic reports.
Zeller (knee) will not play Sunday against the Pelicans, Paul Garcia of ProjectSpurs.com reports.
Zeller was ruled out for Friday's game against the Jazz with a bone contusion in his right knee, Jeff Garcia of News 4 San Antonio reports.
Zeller signed a contract with the Spurs on Wednesday, Shams Charania of The Athletic reports.
Zeller was waived by the Nuggets on Friday.
Zeller and the Nuggets have agreed to a training camp contract, T.J. McBride of MileHighSports.com reports.
Zeller will come off the bench Wednesday against Golden State, Phillip Dean of Fox Sports South reports.
Zeller finished with 13 points (4-7 FG, 5-6 FT), six rebounds, three assists and two blocks in 19 minutes during Tuesday's loss to Detroit.
Zeller will start Tuesday's game against the Pistons, James L. Edwards III of The Athletic reports.
Zeller provided 15 points (6-9 FG, 3-4 FT), five rebounds, and one block in 26 minutes during Sunday's 129-127 overtime loss to the Mavericks.