He made his debut for Liga on 13 November 1983 against Ramonense and scored his first goal a week later against Municipal San José.

During the 1993's season, El Macho switched to Alajuela's arch-rival team Saprissa, causing a commotion among Liga's fans.

[7] Ramírez made his debut for Costa Rica in a February 1985 friendly match against El Salvador[4] and earned a total of 75 caps, scoring 6 goals.

[17] In August 2015, Ramírez was appointed as Paulo Wanchope's assistant coach for the Costa Rica national team.

However, a week after his appointment, Wanchope was involved in a fight in Panama and announced his departure from the national team.