The Patriots and 49ers' practice and participation reports for Thursday:
NEW ENGLAND PATRIOTS
QUESTIONABLE: CB Kyle Arrington (knee), DT Ron Brace (elbow), S Patrick Chung (shoulderhamstring), G Dan Connolly (back), CB Alfonzo Dennard (hamstring), TE Rob Gronkowski (forearmhip), TE Aaron Hernandez (ankle), LB Dont'a Hightower (hamstring), DE Chandler Jones (ankle), WR Brandon Lloyd (knee), DT Kyle Love (not injury related), G Logan Mankins (anklecalf), OL Nick McDonald (shoulder), T Nate Solder (abdomen), LB Brandon Spikes (kneeankle), CB Aqib Talib (hip), OT Sebastian Vollmer (backknee), WR Wes Welker (ankle), LB Tracy White (elbow).
PROBABLE: LB Jerod Mayo (elbow).
SAN FRANCISCO 49ERs
DOUBTFUL: WR Mario Manningham (shoulder).
PROBABLE: K David Akers (pelvis), LB Navorro Bowman (shoulder), CB Tarell Brown (shoulder), CB Chris Cullivar (knee), LB Tavares Gooden (ribs), RB Frank Gore (wrist), RB Bruce Miller (shoulder), CB Carlos Rogers (knee), LB Aldon Smith (shoulder), DT Will Tukuafu (wrist), LB Patrick Willis (shoulder).