Racing PositionsKansas City Chiefs trim roster, put LB Justin Houston on PUP list7YAdam TeicherSnap counts show Chiefs' emphasis at QB is getting Nick Foles ready7YAdam TeicherAlex Smith again sharp for Chiefs in loss to Rams7YAdam TeicherCB Steven Nelson played more than any other Chief on Saturday7YAdam TeicherChiefs' 53-man roster includes Tyler Bray, Kevin Hogan as backup QBs7YAdam TeicherHere's where the Chiefs stand on offense7YAdam TeicherChiefs' spending on running backs is down from last year7YAdam TeicherBig 12's most iconic plays of the past decade: Nos. 16-207YBrandon ChatmonSan Francisco 49ers waive 10 players, including FB Trey Millard8YPaul GutierrezSan Francisco 49ers 53-man roster projection8YPaul Gutierrez