Gregg Popovich is entering his 27th season as coach of the San Antonio Spurs. But after a legendary career and a team eyeing a rebuild, could 2022-23 be Pop’s last on the bench? Gregg Popovich is about to embark on his 27th season as head coach of the San Antonio Spurs, but this year doesn’t bring as much hype as most, if not all, of his previous campaigns. Popovich’s Spurs are rebuilding, evidenced after the blockbuster trade this offseason to send All-Star point guard Dejounte Murray to the Atlanta Hawks for cap-filler Danilo Gallinari and three future first-round picks. The…