Exactly 50% of NBA coaches have turned over since August 2020, and only five were hired for their current jobs before May 2018. The sport’s longest-tenured coach, Gregg Popovich, is also its best paid. The five-time champion, who turns 73 in January and was named coach of the Spurs in 1996, earns an estimated $11.5 million a year. Next up: Steve Kerr ($9.5 million), followed by Erik Spoelstra and Doc Rivers, both at $8.5 million.