KANSAS CITY, Mo. - The 49ers gave Alex Smith warm handshakes before and after Friday's game and a barrage of big hits during it.John Sleezer Kansas City (Mo.) StarChiefs quarterback Alex Smith (11) is sacked by Corey Lemonier, right, and C.J. Spillman in the second quarter of the 49ers' 15-13 preseason victory.John Sleezer Kansas City (Mo.) StarQuarterbacks Colin Kaepernick, right, of the 49ers, and Alex Smith of the Chiefs meet after the game.