Bayern coach Vincent Kompany attributed the incident to the celebration, stating, "It's unfortunate for us."
The veteran goalkeeper, who recently extended his deal at Bayern until 2025, missed almost a full year with a broken leg from a skiing accident from December 2022 until October 2023.
Urbig, 21, arrived from Cologne in the winter. Despite making his debut on the big stage on Wednesday, Urbig was largely untested as Bayern dominated the first leg against the defending German champions.
Listen to the latest songs, only on JioSaavn.com
Bayern, who sit eight points clear in the league with 10 games remaining, travel to Leverkusen for the return Champions League leg next week in a dominant position.
(This story has not been edited by staff and is auto-generated from a syndicated feed.)