49ersNFL49ers TE Kittle vows to play Sunday vs. Packers2dNick WagonerPhoto by Cooper Neill/Getty Images
49ersNFL49ers likely without Kittle, possibly 2 top defenders2MNick WagonerThearon W. Henderson/Getty Images
49ersNFLKittle, Ward do not practice for banged-up Niners2MNick WagonerThearon W. Henderson/Getty Images