Eichel left Boston U and joined the Sabres, finishing fourth in Calder voting and scoring 56 Points. The American Center increased marginally to 57 Points and 64 in the next two seasons, and in 2018, he was an All-Star for the first time. Eichel’s numbers increased in 2018-19, reaching 82 Points and again going to the All-Star Game. A third straight All-Star came to Eichel in 2020, and in the COVID-interrupted season he had 78 Points in 68 Games with an eighth-place finish for the Hart Trophy.
Eichel's relationship with the Sabres soured late in the 2020/21 Season when he was out with back issues and he openly discussed wanting to play for another team. He got his wish early in the next season, when he was traded to Vegas.With the Sabres, Eichel was nearly a Point-Per-Game player and had 355 Points in 375 Games.
