Gregg Popovich praises Mitch Johnson in introductory press conference, embraces new role: 'I'm no longer Coach, I'm El Jefe'

Gregg Popovich is officially embracing his new role with the San Antonio Spurs.Popovich, the winningest coach in NBA history, stepped down as the team's head coach last week after a series of health problems throughout the season. The Spurs quickly promoted Mitch Johnson, who served as interim coach in Popovich's absence, to take over at head coach, while Popovich will transition to be full-time team president.On Monday, Popovich officially passed the baton to Johnson in an introductory press co