Butler wants a trade out of Miami and the Heat are trying to accommodate him; Golden State is believed to be one of the places where he'd like to land. Another is Phoenix, a team still looking to move out of the Western Conference's play-in range and secure one of the six guaranteed playoff spots.

Fox is the new name on the market after sending signals he doesn't want to commit long term to the Kings. Meanwhile, Butler remains suspended as the Heat decide his future.

With the NBA trade deadline coming up on Feb. 6, one big mess in Miami has dominated much of the discussion. That's not the only storyline that could shape the second half of the season, though, so let's take a look at what else is going on.