Griffin: I was miserable building around LeBron

New Orleans Pelicans executive vice president David Griffin detailed the challenges of his three seasons working with LeBron James as Cleveland Cavaliers general manager, saying the experience was "miserable" and questioning James' winning instinct in Los Angeles.

Griffin told Sports Illustrated for a story published Thursday that the annual challenge of building a title contender around James was too stressful, even if it did result in a championship in 2016.

"Everything we did was so inorganic and unsustainable and, frankly, not fun. I was miserable," Griffin said. "Literally the moment we won the championship I knew I was gonna leave. There was no way I was gonna stay for any amount of…