Unbeaten teams can get exposed, too.Especially against the Steelers.The Titans have many strengths, but in Sunday’s game between the AFC’s two unbeaten teams, the Steelers of Mike Tomlin exploited the subpar footspeed of two tough but old cornerbacks and a blocking unit that lost both tackles from last year’s AFC finalist.“Give Pittsburgh a lot of credit — this was clearly the best team we’ve played to this point,” said Titans coach Mike Vrabel.The Steelers used a pass-first offense and defensive pressure to build a 20-point lead in Nashville and held on to win, 27-24, after Stephen Gostkowski…
