I wouldn't start any RB @ SF.... With that being said, Mendy is a risk coming back from injury vs. solid Philly defense. I would have to go with Mendy based on how AP and JCharles have come back.
Help with mine? viewtopic.php?t=524611
QB - Rodgers, Palmer
RB - Mendenhall, Ridley, A. Brown, D. Thomas, Vereen
WR - Nicks, Cobb, Lloyd, Broyles, Hankerson, Hixon
TE - Hernandez, Olsen
K - Hanson
D - Cowboys