Racing Positions2018 San Francisco 49ers starters, 53-man roster, schedule prediction7YNick WagonerTo cut the body fat, 49ers' Joshua Garnett had to get his mind right7YNick WagonerOffensive line, edge rusher, cornerback among 49ers' top needs heading toward offseason7YNick WagonerSlew of injuries further complicating 49ers' rebuilding efforts7YNick WagonerSecondary a concern for 49ers but front seven could balance it out8YNick WagonerSan Francisco 49ers taking long view with initial 53-man roster8YNick Wagoner49ers hope new start for Laken Tomlinson will bolster offensive line8YNick Wagoner49ers defensive end Aaron Lynch leaves practice with apparent injury8YNick WagonerO-line, backup QB among positions to watch as 49ers open preseason8YNick Wagoner49ers' Ray-Ray Armstrong takes turn with starters at weakside LB8YNick Wagoner