The Nuggets and free agent center Chris Andersen are very close to a contract extension that will keep the NBA's second-leading shotblocker in Denver on a multi-year deal. The amicable discussions have gone on since the weekend, and the new deal could be completed as early as Wednesday, after the official 2009-10 salary cap numbers are known. Those numbers, including the cap figure and the exact amount of exceptions to the cap, should be released late Tuesday