Bayern Munich secured a 1-0 win at Werder Bremen thanks to Robert Lewandowski's first-half goal to claim their 30th Bundesliga title.
The announcement ends weeks of speculation over the Bayern Munich captain's future, with widespread reports that talks between Manuel Neuer and club had hit the rocks.
The feline took to goalkeeping with skills to match the top in the business and kept Twitter bubbling.
The Tottenham vs Bayern Champions League clash in London will be key in deciding who will win Group B.
Jadon Sancho fed Paco Alcacer for Dortmund's opener just after the break before clinching the victory and his side's first trophy since 2017 with a clinical finish.
Ozil quit international football last month amid the furore over his meeting and photo opportunity in May with Turkish president Recep Tayyip Erdogan, which raised questions about Ozil's loyalty to Germany.
Germany's lost to Mexico has thrown their World Cup defence in disarray.
Mexico created the first upset of the 2018 FIFA World Cup, overcoming defending champions Germany 1-0 in a frenetic Group F game at the Luzhniki Stadium on Sunday.
Joachim Loew omitted Manchester City striker Leroy Sane from his 23-player list despite a strong season with the Premier League champions.
Germany are now winless in their last five games since suffering back-to-back defeats after losing 0-1 to Brazil in Berlin last March.
World Cup holders Germany appear to have been given a fairly kind draw in Group F alongside Mexico, Sweden and South Korea as they aim to become the first country to successfully defend the trophy since Brazil in 1962.
Manuel Neuer will return to international action in World Cup warm-up match against Austria after more than eight months
Neuer, Germany's captain and goalkeeper, has not played since September and still has to prove his fitness at a fortnight-long training camp.
Germany coach Joachim Loew said he wanted to increase the prospects of young players, as die Manschafft's opening 2018 World Cup qualifier match against Norway in Oslo on September 4
Bayern Munich goalkeeper Manuel Neuer was on Thursday named the new captain of world champions Germany following Bastian Schweinsteiger's international retirement
Manuel Neuer has worn the captain's armband in a total of 14 internationals, and had also led Germany in five matches of Euro 2016
Manuel Neuer, who has conceded just one goal in Euro 2016, will be aiming to keep Antoine Griezmann, the top scorer at bay in the semi-final
Manuel Neuer, who is a virtual wall in front of goal is once again turning out to be a key player in Germany's quest of another major title. Just how big a factor is the Neuer factor?