[4] In 2008, Funes Mori joined the FC Dallas youth team after his twin brother won the Sueño MLS talent competition, but spent less than a year playing for the side before moving back to Argentina.

In his first season with the club, he received significant playing time at centre back due to injuries and lack of form for the expected starting pair of Phil Jagielka and John Stones.

[15] On 22 July 2021, Funes Mori signed two-year contract with Saudi Pro League club Al Nassr for a fee of €2.5 million.

[16] Funes Mori signed a two-year contract with Mexican club Cruz Azul on August 4, 2022, for a transfer fee of €1.5 million.

Funes Mori scored his first international goal on 6 October 2016 in a 2–2 draw against Peru, in a match where he also conceded a late penalty.

[22] His twin brother, Rogelio, is also a footballer and plays for Liga MX club UNAM and the Mexico national team as a striker.