Alfonso Herrero Peinador (born 21 April 1994) is a Spanish footballer who plays as a goalkeeper for Málaga CF.
Born in Toledo, Castile-La Mancha, Herrero joined Real Madrid's youth setup in 2003, aged nine.
He made his senior debut for the C-team on 24 August 2013, starting in a 1–0 Segunda División B away win against Atlético Madrid B. Herrero was promoted to the reserves in 2014, after the side was relegated to the third division.
On 22 July 2016 he signed a three-year contract with Real Oviedo, being initially assigned to the reserve team in Tercera División.
[3] He made his professional debut on 6 September 2017, starting in a 0–1 home loss against CD Numancia, for the season's Copa del Rey.