Assigned to Class-A Salem Pirates, Olivares led the Carolina League with a .370 batting average, 208 hits, 14 triples and 46 stolen bases in 138 games.

In addition, he set Salem franchise all-time season records in average, hits and total bases (280), which currently remains intact.

But at the time, the organization had an outfield composed of Bill Robinson, Omar Moreno and Dave Parker, members of the 1979 Pirates world champion team, as well as Miguel Diloné[5] and Mike Easler[6] in the list of top prospects.

[8] Overall, he hit an average of .300 or more in six seasons, with a career-high .352 in 1984-85 to earn the batting title,[1] defeating Ozzie Guillén (.333), as well as Luis Salazar and Ron Shepherd (.313 apiece).

[1][8] So as for the records, he holds the most career triples in VPBL history, ranks fourth in runs, fifth in games, eighth in hits, and is tied for sixth with Luis Salazar in stolen bases.

In that Series, he hit .432 with seven RBI, made the All-Star team and had four outfield assists, including two throw outs at home plate in a decisive 2–1, 10-inning victory over the eventual runner-up Águilas Cibaeñas.

[10] A short time after his appearance the 1980 Caribbean Series, Olivares signed a contract to play for the Plataneros de Tabasco club in the Mexican League, hitting for them .369 (7-for-19) with two runs scored in just five games.

[2] A disciplined line-drive hitter that considered every ball and strike count while at bat, he received more walks (464) than strikeouts (227) in 3,073 at-bats, for a solid 2.044 walk-to-strikeout ratio in his Mexican stint.

[11] After his retirement from baseball, Olivares succeed as an entrepreneur in the world of business, founding a clothing company and a sporting apparel shop.