Gregg Popovich blames Avery Johnson's firing on the 'fickle, volatile business ...

Gregg Popovich blames Avery Johnson's firing on the 'fickle, volatile business ...Avery Johnson, a former Rivers teammate and one of his closest friends in the business, was abruptly fired by the Brooklyn Nets Thursday after a 14-14 start that included 10 losses in the last 13 games. The Celtics easily defeated the lethargic NetsBy Ben Golliver. The Nets fired coach Avery Johnson on Thursday