The 49ers continued trimming their roster Friday in preparation for the regular season and released the following players: LB Ikaika Alama-Francis, LB Eric Bakhtiari, RB Rock Cartwright, LB Joe Holland, DT Tony Jerod-Eddie, LB Cam Johnson, QB Josh Johnson, DT Matthew Masifilo, CB Anthony Mosley, TE Kyle Nelson, WR Chris Owusu, WR Nathan Palmer, TE Konrad Reuland, LB Kenny Rowe, WR Brett Swain, S Michael Thomas and LB Michael Wilhoite.