Muñoz returned to Alavés for the 2019–20 season, and made his La Liga debut on 21 December 2019, starting in a 4–1 away loss against FC Barcelona. The following 31 January, he moved to CD Tenerife in the second division, on loan until June.[7]
On 18 September 2020, Muñoz moved to CD Mirandés in the second tier, on loan for the 2020–21 campaign.[8] The following 1 July, he agreed to a permanent two-year deal with SD Eibar also in division two.[9]
^"Javi Muñoz, cedido al CD Mirandés" [Javi Muñoz, loaned to CD Mirandés] (in Spanish). Deportivo Alavés. 18 September 2020. Retrieved 19 September 2020.