The Independiente del Valle starlet previously underwent a trial with the Reds and now looks set to move to Merseyside.
The 18-year-old have now come to terms with Liverpool, report World Football Index.
Following an impressive trial, Arroyo also shone for Los Cafeteros' Under-18 side.
A work permit will be difficult to secure, meaning the Reds could loan him out initially to gain experience.
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