As the Chile Primera B season progresses, the match between San Marcos de Arica vs Union Espanola on 28 March 2026 is set to deliver excitement. Predictions for Today suggests that San Marcos de Arica or Union Espanola will likely emerge victorious, with a predicted probability of 72%. Check out our additional predictions for Over/Under 2.5 Goals, Both Teams to Score, Half-Time, Correct Score, Corners, and Cards.