Heat vs. Warriors preview: Miami's on-off switch will test Golden State

Pressing the on-off switch is a bit of a theme for the Miami Heat this season. The defending NBA champions have struggled to stay focused, especially on the defensive end, but have survived thanks to intense spurts behind none other than LeBron James. Coming off a loss to the Utah Jazz where one of those streaks, a 21-5 burst, fell short in a 104-97 loss, the Heat head to Oakland on Wednesday to face a Golden State Warriors team that was on the other end of such as streak on Sunday. Mark Jackson...