NFL Commissioner Roger Goodell, union executive director DeMaurice Smith and members of their negotiating teams participated in a second consecutive six-hour session with a federal mediator Saturday, trying to spur progress less than two weeks before the league's labor deal expires.

NFL Commissioner Roger Goodell and union head DeMaurice Smith met in front of a federal mediator for about six hours Friday, a bid to jump-start contentious and slow-moving labor negotiations two weeks before owners could lock out players and threaten the 2011 season.

The NFL and its players' union met for the second consecutive day in front of a federal mediator Saturday, an attempt to get negotiations going with less than two weeks until their labor contract expires.