Pittsburgh Steelers FS Mike Mitchell (shoulder) will need surgery that will keep him out for four months, according to head coach Mike Tomlin.

Pittsburgh Steelers LB Ryan Shazier (knee), OG David DeCastro (ankle), OT Marcus Gilbert and TE Matt Spaeth (knee) need arthroscopic surgery that will sideline them for several weeks.

Carolina Panthers TE Greg Olsen will be a focal point for the Arizona Cardinals defense in the NFC Championship game, according to Cardinals head coach Bruce Arians. ‘Greg’s going to be a problem because he’s everywhere,’ Arians said. ‘He is their focal point. If we take him out of the passing game, that’s 40% of their offense. That’s our goal. That’s hard to do, though.’

Former San Diego Chargers assistant secondary coach Greg Williams has been hired as the new defensive backs coach for the Indianapolis Colts. Terms of the deal weren’t disclosed.

Denver Broncos QB Peyton Manning (foot) and TE Owen Daniels (knees) both practiced in full Wednesday, Jan. 20.

Denver Broncos S Josh Bush (shoulder), LB Todd Davis (shoulder), OG Max Garcia (groin), CB Chris Harris Jr. (shoulder), LB Brandon M. Marshall (ankle), QB Brock Osweiler (knee), S Darian Stewart (hamstring), FS T.J. Ward (ankle) and DE DeMarcus Ware (knee) practiced in full Wednesday, Jan. 20.

New England Patriots QB Tom Brady (ankle) and WR Brandon LaFell (foot) both practiced in full Wednesday, Jan. 20.

New England Patriots WRs Danny Amendola (knee) and Julian Edelman (foot) and TE Rob Gronkowski (knee, back) were all limited in practice Wednesday, Jan. 20.

New England Patriots WR Matthew Slater (shin) did not practice Wednesday, Jan. 20. TE Scott Chandler (knee), LB Jamie Collins (back), CB Nate Ebner (hand), LB Darius Fleming (back, shin), LB Jonathan Freeny (hand), LB Dont’a Hightower (knee), OG Tre Jackson (knee), DE Chandler Jones (abdomen, toe), DE Rob Ninkovich (shin), C Bryan Stork (ankle), OT Sebastian Vollmer (ankle) and OT LaAdrian Waddle (shoulder) were limited, while OG Josh Kline (shoulder) and FS Devin McCourty (ankle) practiced in full.

Free-agent RB Daryl Richardson (Browns) was signed to a Reserve/Futures contract by the Pittsburgh Steelers Wednesday, Jan. 20.