Brighton have previous with Independiente, having signed Billy Arce in 2018.
Arce is yet to play for the first-team yet, but will likely continue his development alongside Caicedo.
United are set to continue targeting young talent from around the world, and will focus on teenage acquisitions.
Facundo Pellistri and Amad Diallo have both been signed in recent months, and Romain Faivre is believed to be a target.
More Stories
Man Utd news: Bruno Fernandes message sent ahead of Liverpool clash – ‘A great sign’ | Football | Sport
Unai Emery gives his endorsement to Arsenal transfer target | Football | Sport
Mesut Ozil to Fenerbahce: Image rights agreement key to Arsenal exit | Football | Sport