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The Chargers won the AFC West going away in 2007, while the the Broncos, Chiefs and Raiders had disappointing seasons. However, all four teams need to improve. Scouts Inc. runs down five glaring needs per team -- because it's never too early to worry about next season.

Denver Broncos

Defensive tackle: Denver finished the 2007 season 30th in the NFL versus the run. Any good run defense has to start up front with DTs who can protect the second level. The Broncos do not have big, physical LBs versus the run. They have athletic LBs who need to be protected and allowed to flow laterally to the football. Last year the Broncos moved DT Gerard Warren and cut Sam Adams and Amon Gordon, while free-agent acquisition Alvin McKinley did not turn into the force they thought he would be. An improved run defense in 2008 must start here.

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