Assistant coach Mitch Johnson will serve as interim coach while Gregg Popovich deals with the undisclosed health issue that surfaced before Saturday's game.

San Antonio coach Gregg Popovich missed the Spurs' game Saturday night against the Minnesota Timberwolves because of an undisclosed illness.

San Antonio Spurs Head Coach Gregg Popovich will be out "for indefinite period" with undisclosed illness, per multiple media reports.