A theory spreading across social media has reached the NFL's highest medical leadership ...

The San Francisco 49ers play and practice near an electrical substation. With all the team’s injuries, players have started ...

After another injury-ravaged season for the 49ers, an Electrical Substation Theory emerged. And now, owner Jed York has ...

The vast majority of experts have dismissed the theory in recent weeks.

There's a theory about the San Francisco 49ers being affected by an electric substation near their practice facility. We ...