Del Negro was upset after Derrick Rose was called for a blocking
foul that led to a three-point play for Houston's Kyle Lowry.
Seconds later, Del Negro stormed the court after Taj Gibson was
called for an offensive foul.
The Bulls led 72-62 when Del Negro was kicked out by official
Bob Delaney with 58.5 seconds left in the third quarter. They went on to win 98-88.
Information from The Associated Press contributed to this report.