Chicago Bulls head coach Vinny Del Negro speaks during the NBA Rookie of the Year ceremony, Wednesday, April 22, 2009, in Northbrook, Ill. (AP Photo/M. Spencer Green Stock Photo - Alamy

Chicago Bulls head coach Vinny Del Negro during the NBA Rookie of the Year ceremony, Wednesday, April 22, 2009, in Northbrook, Ill. (AP Photo/M. Spencer Green Stock Photo - Alamy

Chicago Bulls head coach Vinny Del Negro during the NBA Rookie of the Year ceremony, Wednesday, April 22, 2009, in Northbrook, Ill. (AP Photo/M. Spencer Green Stock Photo - Alamy

Chicago Bulls head coach Vinny Del Negro during the NBA Rookie of the Year ceremony, Wednesday, April 22, 2009, in Northbrook, Ill. (AP Photo/M. Spencer Green Stock Photo - Alamy

Chicago Bulls General Manager John Paxson (right) listens to Vinny Del Negro answer media questions at the United Center in Chicago, Illinois, Wednesday, June 11, 2008. Del Negro was introduced as the

Chicago Bulls General Manager John Paxson (right) listens to Vinny Del Negro answer media questions at the United Center in Chicago, Illinois, Wednesday, June 11, 2008. Del Negro was introduced as the

Chicago Bulls General Manager John Paxson (right) listens to Vinny Del Negro answer media questions at the United Center in Chicago, Illinois, Wednesday, June 11, 2008. Del Negro was introduced as the

Chicago Bulls head coach Vinny Del Negro during the NBA Rookie of the Year ceremony, Wednesday, April 22, 2009, in Northbrook, Ill. (AP Photo/M. Spencer Green Stock Photo - Alamy

Chicago Bulls General Manager John Paxson (right) listens to Vinny Del Negro answer media questions at the United Center in Chicago, Illinois, Wednesday, June 11, 2008. Del Negro was introduced as the

Chicago Bulls head coach Vinny Del Negro speaks during the NBA Rookie of the Year ceremony, Wednesday, April 22, 2009, in Northbrook, Ill. (AP Photo/ M. Spencer Green Stock Photo - Alamy

Chicago Bulls head coach Vinny Del Negro speaks during the NBA Rookie of the Year ceremony, Wednesday, April 22, 2009, in Northbrook, Ill. (AP Photo/ M. Spencer Green Stock Photo - Alamy

Chicago Bulls head coach Vinny Del Negro during the NBA Rookie of the Year ceremony, Wednesday, April 22, 2009, in Northbrook, Ill. (AP Photo/M. Spencer Green Stock Photo - Alamy

Chicago Bulls head coach Vinny Del Negro during the NBA Rookie of the Year ceremony, Wednesday, April 22, 2009, in Northbrook, Ill. (AP Photo/M. Spencer Green Stock Photo - Alamy

Chicago Bulls General Manager John Paxson (right) listens to Vinny Del Negro answer media questions at the United Center in Chicago, Illinois, Wednesday, June 11, 2008. Del Negro was introduced as the

Vinny Del Negro beats John Smoltz to win American Century Championship