Boris Lum is a professional footballer from GER and is currently 19 years old. He is on the books of Hertha Berlin and wears shirt number 21. At international level, he features for Germany U17. His main role on the pitch is Midfield. He measures 175cm in height and weighs 66kg. His stronger foot is Both. His estimated market valuation currently stands at 1000K €.

His latest transfer saw him join Hertha Berlin from Hertha Berlin U19 via on 2025-07-01.

Over 13 appearances in the German Bundesliga 2 2025-2026, Boris Lum contributed 0 goals and 0 assists, completed 0 key passes from 12 total passes, and posted a passing accuracy of 0.7.