Hector Ledesma • It’s been a tough season for the San Antonio Spurs. Perhaps no one has felt it more than Mitch Johnson. The assistant coach who took over for Hall-of-Famer Gregg Popovich very early on has been in charge during a year that started with promise but has seen since the losses of Victor Wembanyama and De’Aaron Fox for the season. Keldon Johnson is still healthy. He sums up Johnson’s work succinctly.