John Lynch told reporters this week he and his team are looking into the theory that an electrical substation near the 49ers' practice facility is causing injuries.

Find out who's in and who's out for this week's NFL Championship Games with a full injury report for every team.

49ers general manager John Lynch confirmed wide receiver Brandon Aiyuk has played his last snap in San Francisco as the team prepares to turn the page.

The explanation is simpler than some would want you to believe.

Rams: Quentin Lake (illness) and Byron Young (knee) did not practice. Emmanuel Forbes (shoulder) was limited. Josaiah Stewart (knee) was listed but practiced in full. The Rams are pretty healthy but could have some defensive issues, particularly in the secondary, if things don't progress.

San Francisco 49ers star pass rusher recently Nick Bosa got a positive injury update pertaining to next season.

One of the leaders of that group, defensive end Greg Rousseau, spoke to the media during the locker cleanout on Sunday and revealed something previously unknown. The edge professed that he was injured during the first game of the season and played through it.