Broncos search for answers at wide receiver

ENGLEWOOD, Colo. -- Right now it feels as if anything said about the Denver Broncos' wide receivers should end with a question mark.

Start with the fact that even their most experienced, most proven, most reliable wideout -- Emmanuel Sanders -- is coming back from a torn Achilles tendon he suffered in December.

Sanders has continued to make steady progress in his return and consistently says he is on track to be fully involved in the offense by the time the Sept. 9 regular-season opener at the Oakland Raiders rolls around. But he still is not a full participant in practice.

To celebrate 100 years of pro football, Peyton Manning travels the country to see the people and places that made the NFL…