Pinpointing a sole reason why the Kansas City Chiefs fell flat on their faces this season is an impossible task. Running backs coach Todd Pinkston is out, and someone with plenty of halfback experience could help in a more senior role: Eric Bieniemy. Eric Bieniemy Opens Up on Chiefs’ Run GameIn his first media availability since getting hired back as offensive coordinator, Bieniemy was asked a multitude of questions. “I think it’s always good, because I’ve had an opportunity to learn a few things and, obviously, open up my mind just to view things from a different point of view,” Bieniemy said. You just want to make sure you’re fitting in within the environment you’re working in.