We are entering a highly fluid time period, even by NFL standards, and so it's possible this post could be moot in a matter of minutes. But as of this moment, it appears Chicago is making a legitimate attempt to sign free agent safety Antrel Rolle.

Arizona released Rolle earlier Thursday, making him immediately eligible to begin negotiating with other teams. The Cardinals could re-sign him, but the Bears are one team that would like to pry him away. Brad Biggs of the Chicago Tribune reports the Bears are "actively involved" in negotiations with agent Drew Rosenhaus.

Rosenhaus is typically a quick deal maker when a team reaches the number he is looking for. None of us can honestly handicap how likely Rolle is to end up in Chicago, but the Bears are making a big effort to make it happen.