Gregg Popovich, Phil Jackson or Red Auerbach: who's the greatest NBA coach of all-time? I UNDISPUTED

San Antonio Spurs head coach Gregg Popovich is one win away from becoming the NBA's all-time leader in coaching wins. Popovich has coached the Spurs since 1996 and has 1,335 wins along with 5 NBA Championships. Shannon Sharpe decides if Chicago Bulls, Los Angeles Lakers coach Phil Jackson, former Boston Celtics coach Red Auerbach or Greg Popovich is the greatest coach of all-time.

San Antonio Spurs National Basketball Association Shannon Sharpe Skip and Shannon: Undisputed