Kaepernick, 49ers' D will be on the hot seat in Buffalo

Daily 49ers blog for NBC Bay Area website: All eyes will be on Colin Kaepernick Sunday, but the real test for the 49ers vs. Bills will be if the defense can stop Buffalo's ground game. http://www.nbcbayarea.com/news/local/Kaepernick-49ers-Defense-Need-to-Shine-in-Buffalo-397092561.html