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Story summary
- There is no evidence linking San Francisco 49ers injuries to practice near an electrical substation.
- John Lynch of the San Francisco 49ers said an independent expert found no connection.
- Kyle Juszczyk, the San Francisco 49ers fullback, said players should voice their concerns.
- Juszczyk said he is satisfied there is no link, yet he remains skeptical.
- He notes he has not been affected by injuries, but understands why others question safety.
