Over the next month, much of the discussion will revolve around how the Pittsburgh Steelers will free up cap space for the 2015 season. Although a vital aspect to the offseason, it is equally as important to understand how those cap dollars will be spent.According to Spotrac.com, the Steelers are $1,146,943 over a projected 2015 cap figure of $142 million. That means they must make some tough decisions on veteran players such as Troy Polamalu and Brett Keisel.As recent history suggests, Kevin Colbert is willing to part with longtime veterans to free up space to make moves in free agency. Whether it is to go out and find another starter or re-sign a key player such as Jason Worilds, there is plenty of work to be done prior to the start of the league year on March 10.Beyond the players they plan to sign, the Steelers front office must evaluate how it is spending money on its current roster. Where does it need to spend more to upgrade the talent base, and which positions lack production for the overall investment'By analyzing each positional group, we evaluated the Steelers salary-cap situation and how they will build their roster this offseason.Begin Slideshow Click here to read full news..