Miller Mareco is a 33-year-old professional football player from PAR. He currently plays for General Caballero JLM, wearing the number 6 shirt. He plays primarily as a Defender. He stands at 172cm tall and weighs 64kg. His preferred foot is Right. His current market value is estimated at 100K €.

His most recent move was a from Cristóbal Colón Foot-Ball Club to General Caballero JLM on 2019-12-31.

Throughout the Paraguayan Primera Division 2025, Miller Mareco featured in 37 matches, averaging 1.9 tackles, 1.4 interceptions, and 3.8 clearances per game, while blocking 0.1 shots per game.