Raiders spending, but being frugal with long-term money

Daily Raiders blog for NBC Bay Area website: The Raiders have brought in eight veteran free agents so far, and will bring in more. But they are being cautious with the contracts they've given so they won't be tied up in expensive, long-term deals. http://www.nbcbayarea.com/news/sports/Raiders-Spending-Without-Hurting-Long-Term-Salary-Picture-251211291.html