Facundo Monteseirin is an Argentine central defender who brings solidity and composure to the backline of Union San Felipe. The 30-year-old, standing at 184cm, is a modern defender comfortable with the ball at his feet, capable of initiating attacks from deep with accurate passing. His professional journey began in Argentina, where he developed through the academy system before establishing himself as a reliable performer in the domestic league. Monteseirin's game is built on strong positional sense, timely interventions, and an ability to read the flow of the game, making him a consistent rather than spectacular presence. A move to Chilean football with Union San Felipe has seen him adapt well, becoming a mainstay in their defense and a leader on the pitch. While not one for the highlight reel with last-ditch tackles, his value is in his organizational skills and his calmness under pressure, providing a stable platform for his team. He is the type of defender managers trust to execute a game plan reliably week in, week out.