Duff was making just his third appearance for Fulham since joining from Newcastle United and produced a star performance helping his side to their first win since the opening day of the season and lifting the Cottagers up to tenth place in the league.
"It was a wonderful goal and he played well throughout the game," Hodgson said.
"His crossing was good and it was nice to cap his second home game with a goal. It's important when you move clubs to show the fans immediately what you can do."