Sources -- Jason Witten agrees to 1-year deal with Raiders - ESPN
Raiders TE Jason Witten to sign one-day contract, retire as member of the Dallas Cowboys
Jason Witten retiring after 17-year career; TE will retire as member of Cowboys
Report: Jason Witten won't need surgery on his spleen - NBC Sports
Jason Witten leaving Cowboys to sign with Las Vegas Raiders
Raiders' Jason Witten `invigorated' after leaving Cowboys
Jason Witten leaving Cowboys for Raiders
TE Jason Witten finally done with football: 'I gave it all I had' - West Hawaii Today
Breaking down Jason Witten's free-agent signing with Raiders - Silver And Black Pride
Cowboys free agent news: Jeff Heath following Jason Witten, Maliek Collins to Las Vegas Raiders - Blogging The Boys
BREAKING: Raiders TE Jason Witten Announces Retirement - Full Details On Today's Raiders News