The NBA's top five teams are making noise, but they aren't running away from the pack.
The Heat and Spurs are winning despite not clicking on all cylinders.
Sixers lead Hollinger Power Rankings, which are results-driven and have no human factors.
How are the Mavs just 13th in the Power Rankings? John Hollinger goes team by team to explain.
John Hollinger explains the formula behind his automated daily rankings.