Two members of Congress have stepped into the fray in the NFL's ongoing labor negotiations. In separate letters obtained by CNBC and sent about eight weeks apart, Republican senators Lindsey Graham (South Carolina) and George LeMieux (Florida) admonished the NFL and the NFL Players Association that their labor dispute could have wide-ranging effects if it devolves into a work stoppage. Graham also raised the specter of potential Congressional involvement if the dispute lingers. "As with many issues that should be resolved in private negotiations, both your organizations have been canvassing Capitol Hill seeking support for your position should there be a labor dispute next spring," Graham wrote. "I encourage you in the strongest possible terms to settle your dispute without congressional involvement." The current CBA expires after the season. The sides have been in a contentious fight, with the NFLPA alleging the owners are intent on locking players out Source: USA Today