After initially telling fans to stay tuned for a shocking moment involving former Arizona Cardinals RB Eno Benjamin, HBO’s Hard Knocks now say they won’t air it. Drama has been a big part of the Arizona Cardinals’ regular season, making it almost a perfect pairing for HBO’s in-season Hard Knocks series. Two episodes have now been released, and barely any of the drama that surrounded the team has made the final cut of filming. Chalk it up to either HBO taking it one week at a time or the Cardinals having their way with creative control: Some important, juicy scenes…