1978 Topps #91 Oscar Zamora
About Oscar Zamora
Zamora's last major league game came on July 21, 1978. In 10 relief appearances for Houston that season he worked 15 innings and carried a 7.20 ERA, without a decision. Topps issued him as #91 in the 1978 set, under the Houston Astros.
Oscar Zamora was a right-handed reliever from Camaguey, Cuba, who pitched for the Chicago Cubs from 1974 to 1976 and for the Houston Astros in 1978. He reached the majors on June 18, 1974, and made 56 appearances that first season, going 3-9 with a 3.12 ERA. In 158 major league games he went 13-14 with a 4.53 ERA.
In 1979 Zamora pitched for the Miami Amigos of the Inter-American League while owning a shoe factory in Miami. The business limited his travel to weekend road games. He still won eight games, tied for second on Davey Johnson's club.
Sources: Wikipedia · Baseball-Reference · SABR
Graded population (PSA & SGC)
| Grader | Total | 10 | 9 | 8 | 7 | 6 | 5 | 1-4 | Auth |
|---|---|---|---|---|---|---|---|---|---|
| PSA | 101 | 14 | 58 | 24 | 4 | 0 | 1 | 0 | 0 |
| SGC | 3 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 |
Graded population — a scarcity guide, not a price. Data as of 2026-10-19. Half grades fold down for both graders (8.5→8); PSA qualified slabs (OC, ST, PD, MC and the like) are not counted.
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Related cards
Team card: #112 Houston Astros Team
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- #263 Danny Walton
- #279 Bill Virdon
- #306 Joe Niekro
- #330 Bob Watson
- #358 Mark Lemongello
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Frequently asked questions
What is the 1978 Topps #91 card?
It is card #91 of the 726-card 1978 Topps Baseball set, picturing Oscar Zamora of the Houston Astros.
How many cards are in the 1978 Topps Baseball set?
726 cards, numbered 1 through 726 with none skipped and issued as a single series, and 728 collectible states: #23 Bump Wills comes with or without a black circle, and #374 Jose Morales with or without black stitching over the red laces, so the master set counts both states of each.
Sources: Trading Card Database, PSA CardFacts, BaseballCardPedia, Cardboard Connection, Baseball Almanac, Baseball-Reference, the SABR BioProject and the National Baseball Hall of Fame, PSA & SGC population reports. Card data compiled and maintained by T206Cards.com. Page last updated 2026-10-25.