David Hawthorne may not be happy when he gets to Detroit

As we reported during the Elway-Manning tag-team press conference that refused to end, the Lions have signed linebacker Stephen Tulloch to a five-year deal. Linebacker David Hawthorne likely didn’t get the memo. Anwar Richardson of MLive.com reports that Hawthorne was in a plane bound for Detroit when news broke of the Tulloch deal, unaware that…