It happens every fall. A player bursts onto the scene, makes a big play or helps his team win a pivotal game, and the collective football world celebrates his arrival as a true difference maker in the NFL. Let's get ahead of the curve! In advance of the 2013 season, NFL.com analyst Bucky Brooks identifies candidates for significant improvement at each position.
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» Brandon Weeden: New system will maximize skill set in Year 2.
» Ryan Tannehill: Offseason additions upgrade Miami's offense.
» Christian Ponder: Excessive criticism of quarterback unfounded.
» Jake Locker: Titans' renewed commitment to run will help.
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» Lamar Miller: Miami will quickly forget about Reggie Bush.
» David Wilson: One of the most explosive playmakers in football.
» Jacquizz Rodgers: Steven Jackson's arrival won't bury this back.
» Ronnie Hillman: A vital change-of-pace weapon for the Broncos.
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» David DeCastro:Steelers' much-maligned line suddenly stout.
» Gino Gradkowski: Big shoes to fill with Matt Birk's retirement.
» Jonathan Martin: Second-year man ready to replace Jake Long.
» Riley Reiff: Matthew Stafford has a new blind-side protector.
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» Nick Fairley: This disruptive force just needs to stay healthy.
» Quinton Coples: Rex Ryan will turn hybrid freak loose in 2013.
» Michael Brockers: Could become transcendent star in Year 2.
» Da'Quan Bowers: Bucs putting a ton of faith in third-year man.
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» Whitney Mercilus: Wade Phillips will help him shine.
» Brandon Graham: Former first-rounder poised to make good.
» Bruce Carter: Can thrive in Dallas' new scheme.
» Jacquian Williams: The Giants could use the help.
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Follow Bucky Brooks on Twitter @BuckyBrooks.