Bayern Munich celebrated their third straight Bundesliga title by beating Mainz 2-0 at the Allianz Arena.
Liverpool give U21s more game time than Premier League rivals but top flight lags behind Europe.
Mainz ensured their place in the Bundesliga next term with a 2-0 win over Cologne, who guaranteed their safety a week ago.
Stuttgart picked up a crucial 2-0 win over Mainz on Saturday evening to keep their survival hopes alive.
A late Gojko Kacar goal lifted Hamburg out of the bottom three with a 2-1 victory at Mainz.
Borussia Monchengladbach moved back into third place with a 2-1 win at Hertha Berlin, while Hamburg saw off Mainz.