A daily review of the hot topics coming out of the San Francisco 49ers training camp:The San Francisco 49ers will meet the Baltimore Ravens on Thursday night for the first time since losing to the Ravens in the final seconds of the Super Bowl 18 months ago. 49ers quarterback Colin Kaepernick said revenge isn't at the forefront because it's a preseason game. "This is preseason. If it was a regular-season game, yeah, it would be a little bit different," Kaepernick said.