The primary obstruction? He already has a job (and contract) with the Dallas Mavericks.

The New York Knicks were denied permission to speak with coaches Jason Kidd of Dallas, Ime Udoka of Houston and Chris Finch of Minnesota in a slow start to find Tom Thibodeau's replacement.

Knicks have been denied now on Kidd, Minnesota's Chris Finch and Houston's Ime Udoka.