Quintero and Santos also competed in the Apertura 2014 Copa MX, with Quintero's first appearance coming on 30 July in a 3 1 defeat to Atlético San Luis in the first match of the group stage. On 23 September, Quintero got the game winning assist, setting up Djaniny in the 92nd minute to give Santos a 2–1 win over Monterrey in the final match of the group stage to guarantee a spot in the quarterfinals. Santos and Quintero defeated Guadalajara in the quarterfinals 5–0 and Tigres UANL 4–2 in the semifinals. During the final, Quintero assisted Néstor Calderón to put Santos up 2–1. Quintero was subbed off in the 87th minute, but soon after Puebla responded to level the score at two. Santos managed to preveal in penalties, winning their first Copa MX in club history.