data-mm-id=”_ufbotvipy”>With full acknowledgment of the heinous nature of Thom Brennaman's slur and his apology that was sincere enough to include a cutaway to a hard drive by Nick Castellanos, there have to be some decision-makers at Fox Sports who were relieved to discover just how easy it'd be to replace him on NFL coverage. And how, ultimately, the product might see addition through subtraction. Brennaman, though a competent veteran, was poised to slide even down the depth chart if not in practice, then in perception, with the free-agent acquisition of the uber-talented Adam Amin who figures to be near the center of the network's plans for years to come. A Swiss Army Knife capable of handling any assignment, he could find his time focused on professional football as …