"Denver Broncos cornerback Champ Bailey has watched Calvin Johnson's ascension to elite wide receiver from afar.

On Sunday, he will get a firsthand look at the explosive Detroit Lions receiver for the first time since a 2007 matchup, when Johnson was a raw but talented rookie.

"Back then, he was a young pup," Bailey said. "He wasn't polished yet, but he's figured that thing out real fast. He has no issues now. He's using everything he has — size, strength, all his speed. You see all the different parts of his game coming out." "