Brock Purdy provides telling injury update “The protocol is you start throwing at three months, but it all depends on how your therapy and your range of motion and everything goes up until that point.” NFLBy Stacey Mickles on April 2, 2023 San Francisco 49ers quarterback Brock Purdy has given an injury update on his elbow. Purdy had injured his elbow in the 49ers’ NFC Championship Game loss to the Philadelphia Eagles. Many thought that the 49ers season was over when both starter Trey Lance and backup Jimmy Garoppolo were out for the rest of the season due to injuries.…