It’s not exactly a crisis. Actually, it’s a pretty good thing for the Bulls as they ponder their 93-85 victory Monday over the Charlotte Bobcats, their seventh win in the last nine, to go to 27-17. But with the emergence of second year man Jimmy Butler, who led the Bulls in scoring off the bench with a career high 19 points, for the first time as Bulls coach Tom Thibodeau is faced with true rotation and starting lineup questions regarding the use of Butler. Starting five games for injured All-Star Luol Deng, Butler averaged 14.2 points and 8.6 rebounds. Though, more importantly, Butler for the Bulls is the rare, exceptional athlete who could complement his skilled, hard working teammates. The Bulls were 3-2 with Butler starting, and then Deng, the league leader in minutes played, returned Monday getting 12 points and four rebounds in 31 minutes. Deng said he felt good with no problems, and Thibodeau said he wanted to be cautious with playing time for Deng given the hamstring injury.