Darrin Simmons talks impending free agents on special teams The Bengals’ special teams coordinator and assistant head coach told the Bengals’ website who he wants to retain for his unit. Photo by Michael Reaves/Getty Images While the playoffs begin, the season is over for the Bengals. That means they’re focusing on next year. Special teams is the only unit that the Bengals’ didn’t have routine problems with, thanks to Darrin Simmons’ coaching. “We have quite a few unrestricted free agents that we have to get back that are critical, critical parts to what we do here and I think critical parts to our team,” he said to Geoff Hobson, via the Bengals website.