Isaacson: Emery understands risks of job

It's one of the biggest mistakes a general manager or coach can make. The grand proclamations, you know the ones.

Our No. 1 goal is to beat Green Bay.

We get off the bus running the football.

We only want good character people.

I like that Phil Emery and Marc Trestman have not yet, and are not likely to in the future, utter any of the above three.

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