The Chiefs got two of their six sacks in the 20-19 loss at San Diego. Ron Edwards got to Philip Rivers once, and rookie Glenn Dorsey got the first (and currently only) sack of his first season.

"We beat the guy in front of us and got pretty good coverage on the back end," Edwards said of his team's sack "outburst" against the Chargers. "We're having a problem now and don't (beat blockers) when we have them one-on-one, or the coverage breaks down."

Edwards' sack, his only one this year, was big because it happened deep in the San Diego end. The Chargers punted, and the Chiefs drove only 60 yards (though taking 14 plays) for the touchdown that put them in position for the potential game-winning two-point conversion they couldn't get.

--The Chiefs will honor Willie Roaf, who never got to publicly thank for his four seasons of quality service following his never-quite-official retirement before the 2006 campaign, in a ceremony before Sunday's game.

--Kansas City this week got its second taste of snow this season, and there is a chance for more in the Sunday forecast. The Chiefs will be anxious to see how their spread offense performs in the cold, inclement weather that occasionally presents itself in December.

"Have you seen our (snowy) weather out there today?" Edwards asked Tuesday as between two to three inches fell around Arrowhead. "You've got to be able to run the ball if you're an outdoor team playing in that weather."

BY THE NUMBERS: 15-1 -- Kansas City's record in Arrowhead when Larry Johnson has a 100-yard rushing day.

2 -- Johnson's number of 100-yard games this year, only one of which came at home.

9 of 11 -- Chiefs run of recent victories over the Chargers in games at Arrowhead, though San Diego won the last meeting there.

QUOTE TO NOTE: "He's not the guy on the mike, but I hear him all the time anyway." -- LB Derrick Johnson, the new signal-calling Chiefs middle linebacker, on not having volatile defensive coordinator Gunther Cunningham on the other end of the radio receiver in his helmet.