His last entry on his personal Twitter feed -- "On to the next one. No road win is easy.... Flying to Utah shortly" -- was posted shortly after the Bucks lost to Denver, 91-86 Monday night. However, he was not with the team for shootaround earlier Tuesday.
Bogut, who is averaging 14.3 points and 10.0 rebounds after elbow surgery ended last season, was replaced in the starting lineup by Drew Gooden.
Reserve guard Beno Udrih has been dealing with a left shoulder sprain and also did not dress for the game against the Jazz.