The San Francisco 49ers lost their first game of the season on Sunday against the Jacksonville Jaguars. Before the key divisional matchup, the 49ers got a tough injury report from their Tuesday practice. Quarterback Brock Purdy and wide receivers Jauan Jennings and Ricky Pearsall were all absent with injuries, per David Lombardi of the San Francisco Standard. “Brock Purdy, Ricky Pearsall and Jauan Jennings will not practice today, SF's only session of the week. Article Continues BelowPearsall went into the Jaguars game dealing with one knee injury and then left the game with an injury to the other knee.