NFL free agency: Worst of Cowboys' salary cap hell still to come Unknown 00:57 Dallas has been quiet in 2018 NFL free agency for a reason: Previous mistakes have the Cowboys stuck in a bad salary cap situation. SN's Alex Marvez explains how Dallas got here and when (if?) it can get out. Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsFIFA World Cup 2018 qualifiers: Wilfried Zaha to make Ivory Coast debut against Morocco in must-win gameLionel Messi all set to join Xavi Hernandez, Andres Iniesta in the '600 club' at BarcelonaParis Masters: Local hero Julien Benneteau basking in 'most beautiful feeling' after defeating Marin CilicParis Masters: Julien Benneteau upsets Marin Cilic to continue dream run; Jack Sock enters semi-finalsChampions League: Istanbul and Lisbon in race for hosting 2020 tournament finalLa Liga: Real Betis' second half rally helps them rescue a point against Getafe
