Sky Sports Germany reported that the 38-year-old will miss the Bundesliga club's next four games, including the second leg of the Champions League tie at Leverkusen.
Harry Kane scored a hat-trick as Bayern Munich defeated Cologne 5-1 to win the Bundesliga title. Bayern finished the season with a record-breaking 122 goals.
Paris St Germain drew 1-1 with Bayern Munich, securing a 6-5 aggregate victory and a place in the Champions League final against Arsenal.
Bayern Munich secured a 2-1 victory over Real Madrid in the first leg of their Champions League quarter-final at the Santiago Bernabeu.
Bayern Munich defeated Real Madrid 4-3 in a dramatic Champions League quarter-final second leg, securing a 6-4 aggregate victory and a place in the semi-finals against Paris St Germain.
Paris St Germain defeated Bayern Munich 5-4 in a thrilling Champions League semi-final first leg, setting a record for goals scored at this stage of the competition. PSG came from behind to lead 5-2 before Bayern fought back, leaving the tie finely poised for the return leg in Munich.
A summary of results from football leagues across Europe.
Harry Kane scores twice as Bayern Munich beat Eintracht Frankfurt 3-2 to go nine points clear in the Bundesliga; Monaco stun Lens in Ligue 1.
Real Madrid ended a turbulent week with a 2-0 LaLiga win over lowly Levante on Saturday courtesy of second-half goals from Kylian Mbappe and Raul Asencio.
'We won all the matches in pre-season and we want to carry this into the Bundesliga season next week.'
Inter edge Genoa to go top
A summary of Wednesday's action in the UEFA Champions League.
Bayern Munich made it 16 wins from 16 games this season to underline their credentials as early Champions League favourites, beating holders Paris St Germain 2-1 away as Luis Diaz scored two goals and was shown a red card on Tuesday.
Barcelona captain Raphinha scored twice as they returned to winning ways in LaLiga for the first time in a month with a 5-1 victory at Mallorca on Tuesday.
Manuel Neuer announced his retirement from internationals on Wednesday after playing 124 times for his country since 2009.
Neuer, David Alaba, Jerome Boateng and Thomas Muller were a part of the Bayern Munich squad that won the Champions League in 2013, defeating Borrusia Dortmund in the final.
Joao Neves scored twice as Paris St Germain swept aside Lionel Messi's Inter Miami 4-0 at Atlanta's Mercedes-Benz Stadium to secure their place in the Club World Cup quarter-finals.
Bayern Munich scored either side of halftime through Michael Olise and Harry Kane but had to endure late pressure from hosts Celtic before securing a 2-1 victory
Thomas Mueller bid farewell in his final home game after 25 years at the club.
Bayern Munich came back from a goal down to beat 10-man Augsburg 3-1 away on Friday and move nine points clear at the top of the Bundesliga, but Jamal Musiala went off injured and looks unlikely to be fit for next week's Champions League quarter-final.
News of all that's transpired on and off the football field
Bayern Munich slumped to a shock home defeat by Borussia Moenchengladbach in their opening Bundesliga match on Sunday following a blunder by their most expensive new signings.
Neuer is the second Bayern player to be ruled out for months after France international Lucas Hernandez tore a knee ligament in the defending champions' 4-1 win over Australia in their World Cup Group D match last month.
IMAGES from matches played across European leagues on Saturday
A round-up of Wednesday's UEFA Champions League last-16 first leg matches.
IMAGES from the UEFA Champions League matches played on Wednesday
Croatian forward Ante Budimir scored twice to help Osasuna earn a shock 4-2 home win over leaders Barcelona.
Real, chasing a 15th European Cup, levelled in the 83rd with Vinicius's penalty, after Rodrygo was felled by a clumsy challenge from Kim Min-jae, to set up a mouth-watering return leg in Madrid next week.
Schalke 04 goalkeeper Manuel Neuer was praised by Manchester United manager Alex Ferguson despite conceding two goals in two minutes during Tuesday's 2-0 Champions League semi-final second leg defeat.
Ciro Immobile scored a 69th-minute penalty to earn hosts Lazio a 1-0 victory over 10-man Bayern Munich.
Late Tchouameni header gives Real Madrid 2-1 Las Palmas win and top spot
Roundup of the matches being held across major football leagues in Europe on Sunday
Goals from captain Kylian Mbappe and Michael Olise earned France a 2-0 victory over Germany in Stuttgart on Sunday.
Neuer made the squad despite playing in just one official game, a friendly against Austria on Friday, since breaking a bone in his foot in September but talented 22-year-old Sane was the biggest name to miss out.
Vinicius Jr came off the bench to score once and set up another goal to steer champions Real Madrid to a 4-1 fightback victory over Espanyol.
According to the BCC, the prince has been a supporter of Aston Villa since his school days.
A summary of Tuesday's Champions League first leg quarter-finals between Arsenal and Real Madrid, and Inter Milan and Bayern Munich.
News of all that's transpired on and off the football field
Barcelona won 3-1 at Alaves in La Liga on Saturday thanks to goals by Robert Lewandowski, Ilkay Gundogan and substitute Victor Roque, who was sent off after picking up a second yellow card.
Manuel Neuer remained Germany's number one and captain, even as they underperformed in the UEFA Nations League and Euro 2020 qualifiers.