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Geoff Burke-USA TODAY Sports

After retooling their roster under the guidance of general manager Scot McCloughan, the Washington Redskins have their sights set on the NFC East crown.

With the losses incurred by the likes of the Dallas Cowboys and Philadelphia Eagles, the division is there for the taking.

As always, though, Washington's contention comes with a caveat. A team that ranked 24th in Football Outsiders' Adjusted Games Loss (AGL) statistic in 2014—which quantifies how much teams were affected by injuries—the Redskins have to remain healthy.

While McCloughan deserves credit for bolstering the team's depth across the board, some players are just too important to replace.

There are a host of reasons why this is the case. The drop-off in talent between a starter and his backup is one reason. A player's supporting cast, or lack thereof, at a particular position is another.

Production is certainly a part of the equation, but you can't forget about a player's role in the team's grand scheme either. You can look at the positional pay scale across the NFL for evidence of this, but fact is some positions are more valuable than others.

Keeping all of this in mind, let's now rank Washington's most important players in 2015.