No, the Buffalo Sabres were eliminated in the first round by the Boston Bruins in 6 games.
Willie O'Ree was the first black player, 1958, Boston Bruins. He was Canadian, born in Fredericton, New Brunswick. The first African-American was Valmore James, 1981, Buffalo Sabres, born in Ocala, Florida.
Punch Imlach
If you mean the first black player to play for the Sabres , it was Tony McKegney. The first black player born in the USA was Val James who was from Florida.
The Buffalo Sabres play in the Northeast Division of the Eastern Division of the National Hockey League. The have in Buffalo New York since 1970 and play in the First Niagara Center.
Buffalo Sabres
Their first season was 1969-70
Michael Peca.
As far I am able to determine, it was defenseman Jim Watson.
Uwe Krupp played in the National Hockey League for the several teams including the Buffalo Sabres and New York Islanders.
"Sabres", was chosen because Seymour Knox (Team's first owner) felt a Sabre was a weapon carried by a leader. He also noted that a Sabre is swift and strong on offense as well as defense.
The Buffalo Sabres are an expansion team in 1970. They made the finals twice in their history. The first being 1974-75 and the last one in the 1998-99 season. Here a link where you can see their entire team history. (related link)