Nick Bosa diagnosed with calf strain, out several weeks
The San Francisco Chronicle reported on September 25 that All-Pro defensive end Nick Bosa was diagnosed with a strained calf and would miss multiple games, according to ESPN. Earlier, NBC Sports said Bosa pulled his calf during practice and was placed on the injury report, indicating a few weeks of absence. Niners Nation noted his addition to ’s injury report because of the calf issue, and NBC Sports Bay Area had listed him on the practice participation list with knee and calf concerns ahead of the Week 3 matchup against the Arizona Cardinals.