Overview

• Brock Purdy has missed two games after Week 1 turf toe and a left shoulder issue, and the toe is considered the primary obstacle to playing.
• Purdy logged limited sessions last week, and insiders have offered timelines from two to five weeks as the team evaluates his Week 4 availability based on practice progress.
• Mac Jones, who started the last two wins, re-aggravated a PCL sprain, wore a knee brace and is day-to-day after throwing for 284 yards against Arizona.
• Head coach Kyle Shanahan confirmed Nick Bosa suffered a season-ending ACL tear.
• Demarcus Robinson’s suspension was lifted, allowing him to participate in drills under a roster exemption that runs through Wednesday.