How the Spurs have become the NBA's top-ranked team

As they meet the Golden State Warriors on Monday, the San Antonio Spurs are two games behind the Warriors in the Western Conference standings. Despite the Warriors' record-setting pace, it is the Spurs on top of ESPN's Basketball Power Index. Statistically, the Spurs have been the NBA's best team.

The Warriors are known for their explosive offense, emblematic of the NBA's pace-and-space revolution. So if the Spurs are arguably better, does that mean they're even more explosive?