‘Ristolainen was taken 8th overall by the Sabres in the 2013 NHL Draft. After splitting time between Buffalo and the Rochester Americans during the 2013-14 season, he became a mainstay on the Sabres’ blue line.’
Sabres trade Rasmus Ristolainen to Flyers for Robert Hagg, 2021 first, 2023 second
Source: WKBW-TV