Ricky Pearsall Jr., the 49ers' rookie wide receiver, is poised for an increased role in the upcoming game against the Dallas Cowboys due to significant injuries within the team. Following the season-ending injury to Brandon Aiyuk and illness affecting Deebo Samuel, Pearsall is stepping up after logging 48 snaps in his NFL debut against the Kansas City Chiefs, where he caught three passes for 21 yards. Pearsall admitted to feeling sore but is ready to contribute more significantly. Coach Kyle Shanahan expressed optimism about Pearsall's potential, noting his adaptability and the need for him to build chemistry with quarterback Brock Purdy. Despite past injuries, including a gunshot wound and shoulder issues, Pearsall's determination could be crucial for the 49ers as they aim for a .500 record before their bye week. The team's current situation underscores the importance of rookie players stepping up in challenging circumstances.