Matt Maiocco, of the Santa Rosa Press Democrat, reports San Francisco 49ers CB Shawntae Spencer (ankle) missed practice Friday, Dec. 1, and is unlikely to play in Week 13.
LB Jeff Ulbrich (thumb) practiced Friday, Dec. 1, and should play in Week 13.
TE Eric Johnson (knee) missed practice Friday, Dec. 1, and will not play in Week 13.
OT Jonas Jennings (ankle) practiced Friday, Dec. 1, and should play in Week 13.
RB Frank Gore (shin) practiced Friday, Dec. 1, and should play in Week 13.
Information from KFFL.com