NBA sources told FOX 26 Sports the Milwaukee Bucks requested permission from the Houston Rockets to interview assistant coach Kelvin Sampson.
The Charlotte Bobcats have also requested permission to speak with Sampson.
Prior to joining head coach Kevin McHale's staff with the Rockets in 2011, Sampson spent three years as an assistant coach on the Bucks staff.
Sampson has been a head coach in college with Washington State, Oklahoma and Indiana.
He was named NCAA National Coach of the Year twice.