No, it wasn't on the air, silly...
If was off the air after Gill got into a rather-heated discussion with B1G Ten Network analyst Tim Doyle over the following observation from last night's Bulls-Nuggets game...
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Doyle and Gill went up against a wall and drew blood in front of Chicago Business Report reporter Danny Ecker- who was an eyewitness and wrote all about it.
Gill has been temporarily removed from the show, "Sports Talk Live," until everything is examined in due course.
"We're looking further into the incident that took place in our newsroom earlier today," said CSN Chicago news director Kevin Cross in a statement. "Until the investigation is complete, Kendall Gill will not be appearing on our air."