Serge Gnabry "has tested positive for the coronavirus. The FC Bayern forward is okay and isolating at home," Bayern said ahead of the quarter-final, first leg tie against PSG.
Bundesliga: Robert Lewandowski's hattrick helps Bayern Munich beat Borussia Dortmund; Hertha Berlin edge Augsburg
Lewandowski completed his hattrick in the last minute, just after Leon Goretzka put Bayern ahead for the first time. Erling Haaland had fired the visitors into an early two-goal lead.
Champions League: Jamal Musiala becomes youngest English goalscorer in tournament as Bayern rout Lazio
Robert Lewandowski scored his 72nd Champions League goal, taking him solo third on the all-time list ahead of Real Madrid great Raul.
Bundesliga: Leroy Sane has to 'justify' price tag, says Bayern Munich chairman Karl-Heinz Rummenigge
A string of disappointing performances by Sane since he joined in a 50-million-euro ($61 million) move in the summer was capped on Saturday when he was removed just half an hour after entering the field as a substitute in Bayern's 2-1 win against Bayer Leverkusen.
Bayern said the 23-year-old Roca was getting a five-year contract and will wear the No 22 jersey.
Bundesliga: Bayern Munich's Leroy Sane sidelined for two weeks after picking up knee injury, says Hansi Flick
Sane injured an anterior cruciate ligament in his right knee last season while playing for Manchester City, causing him to miss almost the entire 2019-20 campaign.
Bundesliga: Serge Gnabry hits hat-trick, Leroy Sane scores on debut as Bayern Munich demolish Schalke in season-opener
Just 26 days after winning the Champions League final, Bayern picked up where they left off last season with their 22nd-straight win.
UEFA Nations League: Focus on Germany vs Spain, France vs Croatia, Gareth Bale and Eduardo Camavinga
Second edition of UEFA Nations League gets underway in mid-week just a week after the 2019-20 season ended.
The Court of Arbitration for Sport ruled two weeks ago that some of UEFA's accusations of financial violations by City could not be proven and others were time-barred because they did not meet a five-year statute of limitations.
Bayern said on Friday that Sane has signed a five-year deal through June 2025 and will start preparing for the upcoming season next week.
British and German media reported on Tuesday that Bayern had reached an agreement with City to sign Sane in a deal worth 45 million euros ($50.47 million) plus add-ons, with the winger poised to a sign a five-year deal with the German club.
Bayern Munich is set to make an initial payment of 49 million euros and Manchester City could receive a further 11 million euros based on Sane's achievements with the German champions
Premier League: Leroy Sane to leave Manchester City after turning down contract deal, reveals Pep Guardiola
Leroy Sane's contract runs out at the end of next season and reports have linked him with a move to Bayern Munich. Guardiola said he had wanted Sane to stay but the player wants to make a fresh start.
Bayern Munich hopes to make some new signings to make up for a number of injuries, even if Manchester City forward Leroy Sané won’t be one of them.
Euro 2020 Qualifiers: Bayer Leverkusen midfielder Kai Havertz latest to be ruled out of injury-ravaged Germany squad
Bayer Leverkusen said Monday the 20-year-old Havertz tore a muscle in his thigh during the side's 2-0 win at Wolfsburg in the Bundesliga on Sunday
Euro 2020 Qualifiers: Toni Kroos returns to Germany's squad; Emre Can, Marc-Andre ter Stegen included as well
Kroos had missed their most recent internationals in June with a muscle injury while fellow midfielder Can last made the squad in October 2018 while Ter Stegen had been nursing a knee injury.
Bundesliga: Bayern Munich complete signing of French midfielder Mickael Cuisance from rivals Borussia Moenchengladbach
Bayern had announced on Friday evening that Cuisance, 20, had undergone a medical in Munich. Gladbach confirmed on Saturday that the transfer was complete.
Bundesliga: After Robert Lewandowski, David Alaba says Bayern Munich need more signings to defend title
David Alaba said that his club Bayern will need 'one or two' more signings in the transfer season to ensure necessary breadth in the team for a long season
Bundesliga: Bayern Munich coach Niko Kovac says club still looking to bring in 'fresh blood' before end of transfer season
Before the signing of Ivan Perisic, Bayern striker Robert Lewandowski had loudly been demanding the signing of at least three or four more players
Perisic, 30, is widely considered to be Bayern's back-up option after their bid to sign Leroy Sane was derailed by the Manchester City winger's recent knee injury.