Peyton Manning, Broncos' offense struggle in first half vs. 49ers; run game …

Football players at Denver's Manual High School met some special guests Friday. The 49ers held their walk-through practice at the downtown school, not far from Sports Authority Field at Mile High, where they'll play Saturday 

Denver Broncos running back C.J. Anderson shows off his passing form during pre-game warmups for the preseason game against the San Francisco 49ers at Sports Authority Field at Mile High on Saturday, August 29, 2015. (Photo by Steve Nehf/The 

DENVER — Tramaine Brock was included among the the San Francisco 49ers announced list of players who will not particpate in Saturday's game against the Denver Broncos. The veteran cornerback pulled a leg muscle during the team's joint practice with 

Denver Broncos running back C.J. Anderson shows off his passing form during pre-game warmups for the preseason game against the San Francisco 49ers at Sports Authority Field at Mile High on Saturday, August 29, 2015. (Photo by Steve Nehf/The 

But that does not mean the first unit has gotten in all of its work for the week, 49ers coach Jim Tomsula said. The 49ers play the Denver Broncos on Saturday night in the third exhibition game for both teams. Quarterback Colin Kaepernick and the