Zemgus Girgensons was rocked by a late hit from Syracuse winger Richard Panik Saturday night and he'll be sidelined for at least a week with what may be a concussion.
Zemgus Girgensons recorded his first professional goal in Rochester's 3-2 win against Hamilton on Friday night.
Zemgus Girgensons and Anaheim first-rounder Hampus Lindholm will skate in the AHL this campaign as the league's only 18-year-olds.
First-round pick Zemgus Girgensons has been assigned to Rochester by the Sabres.
Zemgus Girgensons has signed an entry-level contract with the Buffalo Sabres, according to the University of Vermont.
Zemgus Girgensons might decide on Friday whether he wants to spend another season with the University of Vermont or go pro.
After taking Mikhail Grigorenko with the 12th overall pick, the Buffalo Sabres traded the 21st pick and the 42nd pick to Calgary to choose Zemgus Girgensons at No. 14.