Analysis: Gratz made his return from a high ankle sprain that he suffered in the season opener and the Jaguars eased him into the lineup. Blackmon started in his place. Gratz could return to the starting lineup this week against San Francisco in London. ... Posluszny led the Jaguars with 14 tackles, including 13 solo. … The Jaguars managed just one sack (Marks) and it came before the Chargers lost two offensive tackles to injuries. … Babin was largely invisible despite playing 49 snaps. He didn’t have a tackle but did hit Philip Rivers once.