Duffy started at shortstop and hit second on Sunday, going 1-for-5 with an RBI against the Marlins. The 24-year-old has now seen action in five of the team's last six games and has raised his average to .273 on the season to go along with 10 RBI. He is earning himself at-bats in a utility role at the moment and could unseat Casey McGehee at third base if the latter doesn't start performing.