Jason Zucker will need a new contract this summer.
Matt Dumba is a restricted free agent this off-season.
Adam Erne (lower body) did not take part in Tuesday's practice.
Max Domi is eligible for restricted free agency on July 1.
Buffalo has signed Victor Olofsson to a two-year, entry-level contract.
Blake Wheeler has been chosen as a finalist for the Mark Messier NHL Leadership Award.