49ers waive wide receiver Brandon Carswell

The 49ers waived Brandon Carswell with an injury designation on Tuesday, the NFL disclosed in its transaction log. The 24-year-old Carswell suffered an ACL tear last Wednesday, the same day he signed with the club. Carswell, who played collegiately at Southern Cal, had a brief stint on the Raiders’ practice squad a season ago. The 49ers…