FILE - In this Sept. 12, 2010 file photo, Indianapolis Colts' Peyton Manning sets up pass during the second quarter of an NFL football game against the Houston Texans, in Houston. ESPN is reporting that Manning is negotiating to join the Denver Broncos. Citing anonymous sources Monday, March 19, 2012, ESPN said that the four-time MVP has instructed agent Tom Condon to negotiate to complete a deal with Denver. (AP Photo/Dave Einsel, File)