"He looked good," 49ers head coach Kyle Shanahan said Friday regarding Buckner. "We didn't go full speed but I feel confident with him being right for Sunday. I know everyone is hurting a little bit this time of year but I think he'll be good to go. The rest will hopefully help him for Sunday."
Cornerback Greg Mabin is listed as doubtful on the injury report and Shanahan said on Friday that he is unlikely to play against the Jaguars. Safety Adrian Colbert and wide receiver Aldrick Robinson are out of the concussion protocol and will be available, according to Shanahan.
Below are the official injury reports for the 49ers and Jaguars. Also included are Friday's practice participation reports, which were provided by the 49ers Communications team.
San Francisco 49ers
Doubtful
CB Greg Mabin (calf)
Questionable
TE Garrett Celek (knee, rib)
Jacksonville Jaguars
Out
WR Marqise Lee (ankle), WR Larry Pinkard (concussion)
Questionable
WR Allen Hurns (ankle), LB Lerentee McCray (neck)
San Francisco 49ers Friday Practice
Limited Participation in Practice
TE Garrett Celek (knee, rib), CB Greg Mabin (calf), LB Mark Nzeocha (hamstring), WR Trent Taylor (shoulder)
Full Participation in Practice
RB Matt Breida (knee), DT DeForest Buckner (ankle), S Adrian Colbert (concussion, thigh), LB Brock Coyle (elbow), DE Elvis Dumervil (not injury related), WR Marquise Goodwin (back), TE George Kittle (ankle), DT Earl Mitchell (not injury related), S Eric Reid (knee), WR Aldrick Robinson (concussion, wrist), T Joe Staley (not injury related), CB Ahkello Witherspoon (knee)
Jacksonville Jaguars Friday Practice
Did Not Participate In Practice
WR Marqise Lee (ankle), WR Larry Pinkard (concussion)
Limited Participation in Practice
WR Allen Hurns (ankle), RB Chris Ivory (back, elbow), TE Marcedes Lewis (shoulder), C Brandon Linder (ankle, hand), LB Lerentee McCray (neck)
Full Participation in Practice
QB Blake Bortles (right wrist), RB Leonard Fournette (quadricep), DE Dante Fowler (hamstring), CB Jalen Ramsey (back), S Peyton Thompson (foot)
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