EVERYBODY KNOWS that Chase Daniel is a Doug Pederson "guy," brought in and given a three-year, $21 million contract despite an anorexic NFL playing resume because of his backwards-and-forwards knowledge of Pederson's offense and his ability to help teach it to others.
Leodis McKelvin, Nigel Bradham and Ron Brooks all are in Philadelphia because they are Jim Schwartz "guys," brought in by the new defensive coordinator and expected to play important roles in his defense.
Sports are not unlike politics in that, when there is a regime change, there usually is significant turnover. The new boss prefers to have his "guys" - people he trusts and is comfortable with - and depending on whether we're talking about a dictatorship or a democracy, shows the door to or shoots many of his predecessor's "guys.