Lions' Tulloch hurts knee doing sack dance

They've weathered injuries to one of their starting safeties and four of their nickel cornerbacks, and now the Detroit Lions defense might have to overcome its biggest loss of all.

Starting middle linebacker Stephen Tulloch left Sunday's 19-7 ...

49ers lose to Arizona Cardinals, 23-14

GLENDALE, Ariz. -- The 49ers coughed up a second-half lead for the second straight game Sunday, and this time the price was a 23-14 loss to the Arizona Cardinals.

Reminiscent of their home-opening collapse a week ago to the Chicago Bears, the ...