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DENVER (AP) The Pittsburgh Steelers are missing three defensive starters for their game against Denver.

Defensive end Travis Kirschke (calf), safety Ryan Clark (illness) and linebacker Lawrence Timmons (ankle) all were inactive.

Clark is being held out as a precaution. The eight-year veteran nearly died after a game in the Mile High City two years ago because of a rare blood disorder that is aggravated by playing in high altitude.

The Broncos were without starting right tackle Ryan Harris (toe) and defensive lineman Ryan McBean (knee). Running back Peyton Hillis also was inactive after missing most of the week of practice for personal reasons.

(Copyright 2009 by The Associated Press. All Rights Reserved.) APNP 11-09-09 1845CST | save this article / add to your favorites list