The Sabres sent four players to the Rochester Americans this morning, including defenseman Jacob Bryson and forward Arttu Ruotsalainen.
They also assigned defenseman Mattias Samuelsson and forward Andrew Oglevie to the AHL affiliate.
The Sabres sent eight players to the Amerks on Monday.
The Amerks open training camp Friday.
Ruotsalainen, 23, scored a league-leading 16 goals in 19 games for Ilves, a team in his native Finland, earlier this season.