Moreno had spells with Atlético Palmira and Boca Juniors during his youth career, prior to moving on to join Lanús where he featured at the 2016 U-20 Copa Libertadores.[3][4][5] In 2015, Moreno joined Talleres of Torneo Federal A on loan.[6][7] However, a year later, Moreno rejoined Argentine Primera División side Lanús after not playing for Talleres' first-team.[3][8] He made his senior debut for Lanús on 19 July 2016 in a Copa Argentina win over San Martín de Formosa, before making his professional league debut against former club Boca Juniors on 28 August.[3] In his debut season of 2016–17, Moreno featured twenty-eight times in all competitions.[3][9]
Moreno scored his first senior goal in March 2019 against Belgrano.[3]
Atlanta United
On 22 September 2020, following one hundred and twelve appearances and six goals for Lanús, Moreno departed to the United States with Major League Soccer team Atlanta United; signing as a designated player for an undisclosed fee.[2] He debuted in a home defeat to the New York Red Bulls on 11 October, which preceded six further appearances in the 2020 campaign; he also netted penalties in November against FC Cincinnati and Columbus Crew SC.[3]
Coritiba
On 4 January 2023, Coritiba Foot Ball Club announced they had signed Moreno to a loan for the 2023 season.[10] On 20 June, this loan was made permanent.[11]