Halftime notes from Denver

DENVER -- San Diego has a 13-0 halftime lead over the sloppy Broncos who have lost two fumbles in San Diego territory.

Keeping up with recent tradition, this game has been chippy. There have been three 15-yard penalties in the game. Yes, folks, these two teams do not like each other.

Denver has been called for five penalties.

San Diego quarterback Philip Rivers, a noted Bronco killer, has completed 13 of 14 passes for 108 yards.

San Diego receiver Vincent Jackson has had some success against Champ Bailey in the first half. He has four catches for 56 yards.

Denver safety Brian Dawkins left the game in the second quarter with a neck injury. He is questionable to return.

San Diego defensive lineman Luis Castillo left the game with a calf injury.