He played 49 times for the Colombia national team scoring 12 goals and is the top Colombian player in the IFFHS's rank of South American Player of the Century.Ortiz started his illustrious career at striker in 1971 in the youth system of Millonarios, made his first team debut against Internacional de Porto Alegre scoring the game-winning goal.
He won the DIMAYOR Colombian First Division Championship (now the CategorÃa Primera A) with Millonarios in 1972, and 1978.
He played with Millonarios until 1979, participating in the Copa Libertadores 1973, 1974, 1976, and 1979 with the club.