Yeah I know he isn't a Knick anymore but Purp use to play the role Novak fills on the team for those who might know or remember. Anyhow it looks like the worse thing he ever did was leave the Knicks to play for the Nyets-----

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x-NBA player Shawne Williams -- a former 1st round draft pick -- was arrested in Tennessee last night for possession of weed and cocaine ... and cops believe he may have been trying to sell it.

According to reports, Williams' night went to hell when an officer on a routine patrol claims he smelled marijuana coming from a Porsche Panamera which was parked near a Cricket wireless store.

When the cop approached the car, the person inside -- Williams -- reportedly said, "Officer I ain't gonna lie to you, there's a blunt in the car and some syrup."

The cop searched the car ... and reportedly found a partially smoked blunt, another blunt that hadn't been smoked, and a bottle of codeine cough syrup (for which he did not have a prescription).

The 26-year-old was ultimately arrested for possession of weed and coke with intent to manufacture, deliver or sell.

Portland has reached a buyout agreement with forward Shawne Williams in July 2012 and he will become an unrestricted free agent, has learned.

The 6-foot-9 small forward was a key reserve for the Knicks during the 2010-11 season, but he opted against re-signing with New York last December in favor of signing a two-year, $6.1 million deal with New Jersey. Williams was traded to the Blazers in mid-March as part of the deal that gave the Nets small forward Gerald Wallace, but Williams never played for Portland.

Williams was drafted No. 17 overall by the Pacers in 2006. He has averaged 5.7 points, 2.9 rebounds and 16.4 minutes per game for his career.