Recent big man addition could be missing piece in Bulls' frontcourt

Patrick McDermott/GettyImagesThroughout the past five years or so, the Chicago Bulls have faced plenty of questions surrounding their big-man rotation. While Nikola Vucevic has been the clear starter since arriving in Chicago, the backup center spot has pretty much been a revolving door. Last season, it was Jalen Smith. Before that was Andre Drummond, Tony Bradley, Tristan Thompson, then Daniel Gafford... the list goes on.

This season, however, the focus is on Zach Collins. His midseason arrival last year finally gives the Bulls the reliable frontcourt option they’ve been searching for.

Zach Collins' strong second-half stint in Chicago

At last year’s trade deadline, the Bulls acquired Collins…