CREATE TABLE table_25622 ("Player" TEXT, "Class Year" FLOAT, "Position" TEXT, "Teams" TEXT, "Career" TEXT, "Highlight ( s ) " TEXT)

What class year was the player who played for Buffalo from?
SELECT MIN("Class Year") FROM table_25622 WHERE "Teams" = 'Buffalo'
SELECT MIN("Class Year") FROM "table_25622" WHERE "Teams" = 'Buffalo'