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NFL Nation: 4 Downs -- AFC North

This offseason has seen plenty of high-profile additions and departures in the AFC North.

The Cleveland Browns and Baltimore Ravens brought more excitement to their offenses. The Browns drafted quarterback Johnny Manziel in the first round, and the Ravens signed wide receiver Steve Smith.

The Cincinnati Bengals and the Pittsburgh Steelers dealt with some significant losses. Bengals defensive coordinator Mike Zimmer left to become the head coach of the Minnesota Vikings, and three starters (Brett Keisel, LaMarr Woodley and Ryan Clark) are gone from the Steelers defense.

How will these changes affect the teams in the division? That's the focus for ESPN's AFC North reporters: Scott Brown in Pittsburgh, Coley Harvey in Cincinnati, Jamison Hensley in Baltimore and Pat McManamon in Cleveland.

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