Smith-Pelly, 21, appeared in four games for Norfolk this season and scored two goals with a plus-2 rating. He played in six preseason games for the Ducks and had three points with eight penalty minutes.
Spending most of last season in Norfolk, he had 32 points with 65 penalty minutes in 65 games.
Smith-Pelly was the Ducks' second-round pick (No. 42) in the 2010 NHL Draft. He debuted with Anaheim in 2011-12 and had 13 points with 16 penalty minutes in 49 games.
It's not just going to happen on its own. We have to have guys commit to the areas we need to improve on. We're going to be better than last year but there is still a long way to go. But I really like the pieces and where we're headed.
— Sabres forward Tyler Ennis on the progress of Buffalo's rebuilding process