Ettore Messina will continue to coach the Spurs against the Warriors as Gregg Popovich will miss another game after the death of his wife.
The 14-year veteran signed a two-year contract last summer but last month declined his player option for 2016-17 worth $2.9 million. He is now training with the Argentina team for the Rio Games.
Tim Duncan and Manu Ginobili left questions about their futures unanswered Thursday night after the Spurs were eliminated from the postseason.
The NBA listed five incorrect non-calls from the final 13.5 seconds of Monday's game between the Oklahoma City Thunder and the San Antonio Spurs.
Lead referee Ken Mauer said after the Thunder's Game 2 win over the Spurs that a non-call during a controversial inbounds play should have been an offensive foul.
