Guillermo Balzi is a professional footballer from ARG and is currently 25 years old. He is on the books of Levadiakos and wears shirt number 11. His main role on the pitch is Midfield. He measures 175cm in height and weighs 71kg. His stronger foot is Left. His estimated market valuation currently stands at 1000K €.

His latest transfer saw him join Club Atlético Newell's Old Boys from Levadiakos via Loan on 2026-06-30.

Over 19 appearances in the Super League Greek 2025-2026, Guillermo Balzi contributed 3 goals and 5 assists, completed 22 key passes from 476 total passes, and posted a passing accuracy of 20.9.