The San Francisco 49ers are 6-0, one of only two remaining undefeated teams, alongside the Kansas City Chiefs. They look like they could be the league’s best team, but they have a major problem: injuries. NFL fans often joke about how San Francisco is injury-prone due to the electric substation that sits across the street from their practice field, while the league and team deny that it has any effect on things; it is strange that, year in and year out, they are among the most injured teams in the league.

Their passing attack has been effectively grounded as wide receiver Ricky Pearsall is out for the season after surgery to repair his PCL. This week, the receiving corps has been hit especially hard, with Mike Evans out with Achilles tendinitis and Deebo Samuel Sr. out with a hamstring injury.…