CREATE TABLE table_30857 ("Pick #" FLOAT, "Player" TEXT, "Position" TEXT, "Nationality" TEXT, "NHL team" TEXT, "College/junior/club team" TEXT)

Which position has new Jersey Devils as the nhl team?
SELECT "Position" FROM table_30857 WHERE "NHL team" = 'New Jersey Devils'
SELECT "Position" FROM "table_30857" WHERE "NHL team" = 'New Jersey Devils'