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The Washington Redskins' 2012 season was one that fans will remember forever. The emergence of Robert Griffin III and the seven-game win streak to capture the NFC East title for the first time since 1999 made 2012 one for the ages.

Looking forward to 2013-14, we examine the players who must improve for the Redskins to take the next step and prove to the themselves and the world that this was not a fluke, but the beginning of a new era.

While the Redskins have many young stars, key role players such as Tyler Polumbus, Josh Wilson and Leonard Hankerson must continue to make the most of their opportunities on the field if the Redskins hope to repeat as NFC East champions.

Adam Carriker, DeAngelo Hall and Roy Helu are all players with something to prove, and all players who are honorable mentions on our list due to mediocre performance or injury in 2012. Strong performances like Hall's against Dez Bryant in the final week of the season, along with 2011 contributions, kept these players just outside this list.

Here is a list of five Redskins who must improve in 2013-14.