Will Ricky Pearsall, Jauan Jennings play on Thursday night for 49ers? Amid a rash of critical 49ers injuries, wide receiver Ricky Pearsall has been ruled out for Thursday night's big game. So has receiver Jauan Jennings. Who are Ricky Pearsall's and Jauan Jennings' backups on the 49ers? Demarcus Robinson and Skyy Moore are listed as the next men up on the 49ers' receiver depth chart.