Detroit Lyons

Quarterback Peyton Manning #18 of the Denver Broncos warms up during training camp at the Paul D. Bowlen Memorial Broncos Centre at Dove Valley on July 26, 2012 in Englewood, Colorado. (Doug Pensinger/Getty Images)

The Daily Madden: 49er Matchup Should Be Good Measuring Stick For Manning

Coming off a serious nerve injury that sidelined him last season, all eyes will be on Denver QB Peyton Manning.