Detroit Lions' Dan Campbell laments 'worst part of the (expletive) job' on 'Hard Knocks'

use Brad Holmes’ words: it’s getting down to the nitty gritty.

The first three episodes of HBO’s "Hard Knocks" took Detroit Lions fans on an adventure

put a spotlight on Malcolm "Rodrigo" Rodriguez, D’Andre Swift,

Amon-Ra St. Brown and David Blough and his wife

Episode 4 of this season's "Hard Knocks

The blood, the sweat the tears the devotion;

This is the first time the show goes deeper on Holmes