LeRoy Butler says Florida State needs to pack its bags and get the hell out of the ACC ... telling TMZ Sports he believes the perceived weakness of the conference is a big reason the College Football Playoff committee gave the Seminoles the boot on Sunday.
"We're going to have to leave," said Butler, who starred at FSU from 1987 through 1989. "We've got to get out of the ACC. If we want to win a national championship, we've got to go."
FSU -- which just completed a 13-0 season on Saturday -- was believed by many to be one of the four best teams in the country .