Dontari Poe, the 11th overall pick in April's NFL Draft, is struggling to make it with the Chiefs. The defensive tackle hasn't received a ton of reps early in training camp and coach Romeo Crennel hasn't had a lot of positive things to say. "A lot," Crennel said. "He needs to work on technique, he needs to work on understanding the system, he needs to get the calls correct all the time. He's got a ways to go."