The first half of training camp is over and the Oakland Raiders are headed home from Napa.
Before Thursday night's preseason game vs. the Packers, Bay Area News Group's Courtney Cronin and Jimmy Durkin detail the biggest storylines from the first two weeks of camp, including injury updates on Mario Edwards, Jr., Gabe Holmes and Ben Heeney, top rookie performers, the offensive line's solid performance and how the team plans to cut down on presnap penalties moving forward. Follow Courtney Cronin on Twitter @CourtneyRCronin and Jimmy Durkin @Jimmy_Durkin.