Arizona Cardinals defensive lineman Darnell Dockett has never been shy about showing off his guns…no, not those guns…real guns.  Of course people have gone at him before because fans look up to him and gun violence has been a topic of discussion or debated about a lot lately. Well he took to Twitter again to show off his “collection” — yes, it’s crazy — along with some hand grenades and fans (again) were upset about it. Is it a big deal?!  Check out the pictures along with what he had to say…