Manzano made his first-team debut for Fuenla on 14 December 2021, starting in a 0–0 away draw (5–4 penalty win) against UD San Sebastián de los Reyes, in the season's Copa del Rey. He made his professional debut on 2 January 2022, coming on as a late substitute for Álex Mula in a 1–2 home loss against UD Ibiza in the Segunda División.
