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Rogelio Solis/Associated Press

Before the Minnesota Vikings have an opportunity to add to their roster this offseason, general manager Rick Spielman and Co. will first have to make a few subtractions.

Although Minnesota is currently well below the expected 2015 salary cap—per ESPN's Adam Schefter—it could only benefit from adding to the roughly $10 million in expected cap space. Doing so, however, will be at the cost of parting ways with one or multiple players who have played important roles in recent seasons.

The Vikings could cut veterans Adrian Peterson and Chad Greenway to free a combined total of $20.1 million in salary-cap space, but it would also come at the cost of the 2012 MVP and their defensive signal-caller.

As a result of these factors and the recent report concerning Peterson's interest in remaining a member of the Vikings—according to Brian Hall of Fox Sports North—it is beginning to appear more likely that Minnesota will retain the long-tenured pair of veteran leaders.

Peterson and Greenway have dominated this discussion due to their excessively high 2015 salary figures, but the Vikings have other ways to create cap space.

In order to avoid redundancy, let's take a look at some of the other cut options for the Vikings this offseason.