OWINGS MILLS, Md. - On the wall of his sprawling office, one complete with a balcony, wood paneling and leather couches that smell like the interior of a luxury sedan, Brian Billick has placed a framed book cover. It is a book the Baltimore Ravens coach once helped write and organize. And its 550 pages are filled with the ruminations and theories of the great coach Bill Walsh, a man Billick ...

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