[2] He got his senior career going with the club in December 2017, making his professional debut for the Argentine Primera División team during a defeat at home to Talleres; having previously been an unused substitute in August against Rosario Central.
[4] Galván made his Rapids debut on 22 July in a 2–2 draw against Minnesota United at the MLS is Back Tournament.
[5] Galván scored his first goal in Burgundy in Colorado's 5–0 win over Real Salt Lake on 12 September as they reclaimed the Rocky Mountain Cup.
[6] Galván earned his first assist with Colorado for Jonathan Lewis' goal in the Rapids' 2–0 victory over LA Galaxy on 19 September.
[7] Galván finished his first season with one goal and one assist in ten appearances, including in Colorado's first-round playoff loss at Minnesota.