Listed at 5 ft 11+1⁄2 in (1.82 m), 165 lb (75 kg), he batted left-handed and threw right-handed.

A native of Havana, Cuba, Naranjo was signed in 1952 by the Washington Senators, but he did not play for them.

In his one-season career, Naranjo posted a 1–2 record with 26 strikeouts and a 4.46 ERA in 341⁄3 innings of work, including three starts and seven games finished.

Naranjo died from complications of COVID-19 in Miami, on 13 January 2022, at the age of 87.

This biographical article relating to a Cuban baseball pitcher is a stub.