Robert Lewandowski scored a record-breaking 11-minute hat-trick as Bayern Munich thrashed RB Salzburg 7-1 in the Champions League last-16 second leg fixture.
The record-German league champions salvaged a slender 1-0 win over Eintracht Frankfurt in the Bundesliga clash on Saturday.
The German record champions will take on Furth in their next fixture of the Bundesliga on Sunday.
Bayern Munich were held to a 1-1 draw in the UEFA Champions League round of 16 first leg fixture at Red Bull Arena Salzburg on Wednesday.
The Bayern Munich boss said the club will give the left-back as much support and time required to return to full fitness.
Bundesliga resumes on Friday with COVID-hit Bayern Munich hosting Borussia Monchengladbach at the Allianz Arena.
Bayern Munich defeated rivals Borussia Dortmund 3-2 in a thriller courtesy of a brace from Robert Lewandowski in the Bundesliga fixture at Westfalenstadion on Saturday.
Nagelsmann missed Bayern Munich's 4-0 Champions League win over Benfica on Wednesday due to what the club described as a flu-like infection.
As per a statement released by the German champions, Sabitzer was given a four-year contract and will wear the No. 18 jersey.
Robert Lewandowski scored twice and Thomas Müller added another as Bayern Munich defeated Borussia Dortmund 3-1 to win the Supercup.