Tramaine Brock (toe) is active for Sunday's game against the Broncos, sfgate.com reports.

Brock (toe) is active for Sunday's game against the Broncos, sfgate.com reports.

Analysis:

Brock is thus available for the first time, since sustaining a turf-toe injury in Week 1, which is good news for the 49ers' secondary on Sunday, with both Chris Culliver and Jimmie Ward inactive.