Per Schefter:

Adam Schefter ‏@AdamSchefter[URL="http://www.planetsteelers.com/AdamSchefter/status/316923909482098688"]1m[/URL]Cowboys plan to sign S Will Allen, who started eight games last year for Steelers.
Hopefully he gets a decent deal and washes the Gradkowski signing for comp purposes.

With Allen and Mundy now gone, the Steelers all but have to draft at least one safety this year.