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Mario Williams understands the business of the NFL, that players change teams on a regular basis just as he did in 2012 when he left the Houston Texans in free agency to join the Buffalo Bills. He knows coaches change teams, too, such as when defensive coordinator Jim Schwartz exited the Bills last January after Rex Ryan became their new head coach.
For Williams, this wasn’t exactly the happiest of developments. In Schwartz’s one season in charge of Buffalo’s defense, Williams thrived from his end position, registering a career-high 14.5 sacks on the way to his fourth Pro Bowl appearance.