You can take Chris Andersen (headed to Miami) and Kenyon Martin (wants mid-level money which Spurs don't have) off the list.
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Several sources have told ESPNNewYork.com that the Knicks want to add a seasoned power forward, possibly to back up Stoudemire. The top candidates are Kenyon Martin and Louis Amundson, but both players want at least the mini mid-level exception of $3 million or higher.
http://espn.go.com/blog/new-york/kni...ants-to-return