MLB 23 hours ago Buster Posey plans to bring Giants back to respectability, winning Buster Posey was officially introduced Tuesday as the San Francisco Giants president of baseball operations. Anthony Flores reports. US & World Videos 0:26 District 16 debate canceled: Liccardo's campaign says he has laryngitis 2:45 Forecast: Hotter inland, hazy 0:26 Man killed after he was struck by vehicle at Berkeley Aquatic Park 0:21 Oakland police search for missing mother and son 5:00 Bay Area's autumn heat wave continues with widespread 90s, 100s