2018 (Audax Italiano): Santos broke out with nine goals over 16 appearances in 2018, tying for 10th in the league. He also scored in one Copa Sudamericana appearance against Botafogo, and he helped Audax to the Copa Chile final, where the side finished as runners-up to Palestino.
2017 (Audax Italiano): In a shortened season due to a calendar transition, Santos notched four goals in 14 appearances, helping Audax qualify for the 2018 Copa Sudamericana with a fifth place league finish.
2016-17 (Audax Italiano): Santos scored three goals across 24 appearances in the final Chilean season to feature an Apertura/Clausura format.
2015-16 (Audax Italiano): The forward appeared 19 times in his first season as a regular, scoring three goals. His first professional tally came as part of a 2-1 win against Cobresal (October 15).
2014-15 (Audax Italiano): Santos made his professional debut with one substitute appearance late in the 2014-15 campaign, coming on for 31 minutes vs. Univ. Concepcion (April 19).
Philadelphia Union sign forward Sergio Santos on December 14, 2018 using Targeted Allocation Money. He will be added to the active roster following receipt of his International Transfer Certificate and P1 Visa.
Name: Sergio Santos
Born: September 4, 1994 in Belo Horizonte, Brazil
Hometown: Belo Horizonte, Brazil
Acquired: Philadelphia Union sign forward Sergio Santos on December 14, 2018 using Targeted Allocation Money
Previous Experience: Audax Italiano (2015-2018)