Heat forward Shawn Marion claims that he won't allow failed negotiations with the team on a contract extension to affect his game this season.

"Business is business -- it's just part of it," Marion said Friday. "You have to keep on doing what you have to do. You can't worry about it. I've been ready [to move forward with the season]. I'm done with that. It's been done with."

He currently has an expiring contract worth $17.8 million, and there are no plans for Miami to extend his deal.