The New York Knicks have expressed interest again in Kenyon Martin, according to sources. The Knicks have been conducting due dilligence on Martin in recent days. Martin is open-minded about signing a 10-day contract with the Knicks. Rasheed Wallace has missed 12 games due to a foot injury, which has triggered the Knicks' interest in Martin. Wallace's status is the "critical piece" to the Knicks signing Martin, one league official said. Read more http://sports.yahoo.com/news/nba--knicks-consider-signing-kenyon-martin-225439625.html