It's a very Chicago Bulls-like announcement, coming at a time of the NBA calendar that, for the last 17 years, hasn't been a very Chicago Bulls-like part of the season: Bulls say forward Taj Gibson underwent an arthroscopy and repair of his left ankle on Tuesday and is expected to be out 4 months. — Marc J. Spears (@SpearsNBAYahoo) June 19, 2015 [ Follow Dunks Don't Lie on Tumblr: The best slams from all of basketball ] Gibson, who missed a month of 2014-15 after rolling that same ankle, was clearly hurting throughout this season's NBA playoffs, a run that saw Chicago embarrassingly bounced from the second round in mid-May. Why it took over a month for Gibson to undergo what felt like needed ankle surgery, and why the surgery wasn't announced until three days after the procedure is, well, up for you to deduce. Nevertheless, the four-month time stamp following the surgery puts Gibson back on the court during Chicago's exhibition season. With a deep front line that already features Joakim Noah, Pau Gasol and second-year forward Nikola Mirotic, Chicago can handle his absence and what will probably be a baby-step return as he finds his form following surgery. By the time 2015...