Eintracht Frankfurt will use their Bundesliga dead rubber against Mainz as a "dress rehearsal" for the Europa League Final.
Boss Oliver Glasner has vowed to pick his strongest team for a meaningless league game on May 14 with the Seville showdown versus Rangers just a few days later on May 18.
Glasner insists his team will go all out for victory in a bid to build momentum for the big one.