Francisco Javier "Javi" Montero Rubio (born 14 January 1999) is a Spanish professional footballer who plays for Racing de Santander.

[3] In 2018, after finishing his development, he was called up to the first team by manager Diego Simeone for the pre-season, playing with protective glasses due to an eye injury suffered back in 2017.

[5] He first appeared with the main squad on 30 October, playing the full 90 minutes in a 1–0 away defeat of UE Sant Andreu in the round of 32 of the Copa del Rey.

[6] Montero's first UEFA Champions League match occurred on 6 November 2018, when he came on as a half-time substitute for injured José Giménez in a 2–0 home victory over Borussia Dortmund in the group stage.

[7] He completed a trio of debuts four days later, when he started and was replaced by Gelson Martins early into the second half of an eventual 3–2 La Liga win against Athletic Bilbao also at the Metropolitano Stadium.