Denver Nuggets guard J.R. Smith is on the trading block, according to an AOL FanHouse report. Smith, a six-year veteran, is entering the last year of a contract that will pay him $6.03 million this season. Though Smith has been mentioned in trade rumors before, a source told AOL FanHouse that the Nuggets' sudden willingness to move the shooter is tied to the team choosing not to renew the contract of vice president of basketball operations Mark Warkentien. Read more: http://sports.espn.go.com/nba/news/story?id=5486098