"And he was about the proudest man in the world," says Paul Silas about Red Auerbach on ESPN Classic's SportsCentury series. Red Auerbach's coaching philosophy was simple: Only one statistic mattered.

After winning nine titles as Boston's head coach, Auerbach had moved into a front office role — where, by that point, he had led the Celtics to another seven championships as an executive.

But the plan contained a genuinely novel policy idea thanks to Alan Auerbach: the destination-based cash flow tax. It might sound arcane, but in a year when Republicans in Congress are gearing up ...

On this day in Boston Celtics history, Arnold "Red" Auerbach -- former head coach of the Washington Capitals and Tri-Cities Blackhawks -- was hired as head coach of the Boston Celtics in 1950.

On this day in Boston Celtics history, legendary head coach Red Auerbach retired after taking the Celtics to their ninth championship with a 95-93 victory over the Los Angeles Lakers in Game 7 of ...