Both players represented Team Canada at World Juniors, earning silver medals.
Cozens, Buffalo's top pick (seventh overall) in 2019, was named to the All-Tournament Team after racking up 16 points (8+8) in 17 games.
Quinn (eighth overall in 2020) finished with five points (1+4) and a plus-10 rating in his first taste of World Juniors action.
Also, defenseman Ryan Jones has been added to the roster on a professional tryout contract and is expected to participate in the second practice session today.
Jones is on a one-year deal with the Rochester Americans. He spent the previous four seasons at the University of Nebraska-Omaha (UNO), where he totaled four goals and added 38 assists for 42 points in 141 career games with the Mavericks.
Training camp presented by BlueCross BlueShield of Western New York will resume today at 10 a.m. for the first practice session. You can find full coverage here on Sabres.com and the team's official social media channels.