Denver Broncos quarterback Tim Tebow (15) hands the ball off to Lance Ball (35) during the second half of a preseason NFL football game against the Pittsburgh Steelers on Sunday, Aug. 29, 2010, in Denver. (AP Photo/Chris Schneider)
Pittsburgh Steelers quarterback Ben Roethlisberger warms up before a preseason NFL football game against the Denver Broncos Sunday, Aug. 29, 2010, in Denver. (AP Photo/Jack Dempsey)
Denver Broncos linebacker Elvis Dumervil runs a drill during NFL football training camp at Broncos headquarters in Englewood, Colo., Monday, Aug. 2, 2010. (AP Photo/Jack Dempsey)
FILE - This May 1, 2009, file photo shows Denver Broncos football player Elvis Dumervil. NFL sacks king Elvis Dumervil might miss the season with a torn chest muscle. A person familiar with the injury to Dumervil told The Associated Press the Denver Broncos pass rusher has torn his pectoral muscle and could be sidelined up to five months. (AP Photo/File)