NBA Finals: Themes, schemes to watch

Udonis Haslem and Mike Miller have been two of the stars off the bench for the Heat in the playoffs. Marc Serota/Getty Images

MIAMI -- In a repeat NBA Finals full of subtle ironies, here's one that isn't getting enough attention: The Miami Heat, a team with one of the most ineffective benches in league annals, may nonetheless have its reserves to thank for its upper hand in these NBA Finals.