FC Barcelona striker Robert Lewandowski has sustained an injury to the semitendinosus muscle in his left thigh.
Robert Lewandowski scored the winning goal as FC Barcelona won 2-1 at home over Athletic Club Bilbao on Saturday night.
Former Bayern striker Robert Lewandowski then had a great chance to break the deadlock, but the unmarked Pole pulled over the target with 18 minutes gone.
FC Barcelona got their Champions League off to a thundering start with a 5-1 rout of the Viktoria Plzen. And three of those goals were the work of Lewandowski, who has now scored 89 goals in the competition, the first three of those for Barca amounting to his sixth UCL hat-trick.
Lewandowski will return to familiar surroundings after recently moving to Camp Nou, as Barcelona and Bayern Munich, who between them have won 11 Champions League titles, were drawn in a difficult Group C with Inter.
The Bayern striker indicated his club might use different line-ups and tactical approaches to get through the season.
Robert Lewandowski had a perfect season to win the treble with Bayern Munich. The 32-year-old became the top scorer of the Bundesliga and Champions League.
“For the first time in its history, which began in 1956, the Ballon d'Or will not be awarded in 2020."
Borussia Dortmund star Sancho finished second overall, with Bayer Leverkusen's Kai Havertz completing the podium.
The result leaves Bremen second from bottom on goal difference, while champions Bayern have an unassailable 10-point lead at the summit with two games to spare.
