The Chicago Bulls fired head coach Fred Hoiberg on Monday and promoted Jim Boylen to lead the NBA team.
Hoiberg became the head coach in June 2015 after five seasons as the coach at Iowa State.
The 46-year-old guided the Bulls to one post-season appearance, losing to the Boston Celtics in the first round of the 2017 Eastern Conference playoffs.
His overall record with the Bulls is 115-155 (.426), including a 5-19 (.208) start this season. Chicago have lost six straight games, including a 121-105 defeat at Houston on Saturday.
"Decisions like this one are never easy to make, however I felt this was the right choice for our organisation at this time," Bulls Executive Vice President of Basketball Operations John Paxson said in a statement.
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"After a thorough evaluation, I elected to make this move with the overall development of our team in mind.
"As a team, I believe it is imperative that we make unfaltering strides in the right direction and build the right habits to help put our players in the best position to evolve not only now, but into the future. I want to thank Fred for his dedication and efforts, as well as for his enduring commitment to our team."
Boylen, 53, has served on the Chicago staff since June 17, 2015, most recently as associate head coach.
His 33 years of coaching experience includes 20 seasons in the NBA, highlighted by NBA championships with the Houston Rockets in 1994 and 1995 and the San Antonio Spurs in 2014.
