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SANTA CLARA –- Right tackle Anthony Davis and cornerback Tramaine Brock did not practice on Friday, making it increasingly unlikely either player will return to the 49ers’ lineup this week.
Meanwhile, tight end Vernon Davis remains on pace to play Monday night against the St. Louis Rams. He took part in his second limited practice in two days after missing last week's game with back spasms.
Cornerback Perrish Cox and right tackle Jonathan Martin are expected to make their fifth starts of the season in place of Brock (toe) and Anthony Davis (knee).
49ERS
Did not participate
CB Tramaine Brock (toe)
T Anthony Davis (knee, ankle)
Limited participation
CB Chris Cook (quadriceps)
TE Vernon Davis (back)
DE Tony Jerod-Eddie (shoulder)
C Marcus Martin (knee)
DE Ray McDonald (knee)
LB Nick Moody (hamstring)
DT Ian Williams (ankle)
Full participation
P Andy Lee (right ankle)
DE Justin Smith (not injury related)
RAMS
Did not participate
WR Kenny Britt (knee)
DT Alex Carrington (knee)
LB Jo-Lonn Dunbar (groin)
CB Trumaine Johnson (knee)
CB Brandon McGee (foot)
DE Eugene Sims (groin)
Limited participation
C Barrett Jones (back)
RB Chase Reynolds (hip)
Full participation
RB Zac Stacy (calf)
