The team is hosting a night practice and scrimmage at First Niagara Center.
Fans can begin filing into First Niagara Center at 4:30 p.m. Monday afternoon. The practice begins at 5:30 p.m., and the scrimmage should get started around 6 p.m.
The event is free and open to the public, and parking is also free.
Sabres president Ted Black says the concessions will also be available at reduced pricing.
"And I don't know how many to expect. I don't whether there'll be 1,000 or 10,000 people [attending], Black said.
The practice session will also include an inter-squad scrimmage, comprised of three, 15-minute periods.