Gregg Popovich is not expected to return to coach the San Antonio Spurs this season after suffering a stroke in November and his future in the NBA is “uncertain,” according to ESPN’s Shams Charania who cited league sources.

“San Antonio Spurs’ Hall of Fame coach Gregg Popovich is not expected to return this season, and his future is uncertain as he recovers from a mild stroke suffered in November, league sources tell ESPN,” tweeted ESPN’s NBA Insider Shams Charania.

Spurs coach Gregg Popovich is expected to miss the rest of the season, and it remains uncertain if the most-victorious and oldest NBA coach will return to the game after a mild stroke put him on medical leave in early November.