1977 Topps #308 Gene Pentz
About Gene Pentz
Pentz went 5-2 with a 3.83 ERA for Houston in 1977. He pitched 87 innings over 41 games and struck out 51, and added two saves. Four of those appearances were starts, the only ones of his major league career. Topps issued his rookie card as #308, with the Astros.
Gene Pentz was a right-handed pitcher who worked 104 games over four seasons, 1975 to 1978, for the Detroit Tigers and Houston Astros, going 8-9 with a 3.63 ERA and seven saves. He debuted with Detroit on July 29, 1975, and made 13 relief appearances. On December 6, 1975, the Tigers sent him to Houston along with Leon Roberts, Terry Humphrey and Mark Lemongello in a deal that brought back Milt May, Dave Roberts and Jim Crawford. In 1976, his first year with the Astros, he saved five games with a 2.97 ERA in 40 relief outings. His final game came on May 3, 1978.
Sources: Wikipedia · Baseball-Reference · BaseballCardPedia
Graded population (PSA & SGC)
| Grader | Total | 10 | 9 | 8 | 7 | 6 | 5 | 1-4 | Auth |
|---|---|---|---|---|---|---|---|---|---|
| PSA | 64 | 6 | 36 | 21 | 0 | 1 | 0 | 0 | 0 |
| SGC | 4 | 0 | 1 | 2 | 1 | 0 | 0 | 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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Frequently asked questions
What is the 1977 Topps #308 card?
It is card #308 of the 660-card 1977 Topps Baseball set, picturing Gene Pentz of the Houston Astros.
Is 1977 Topps #308 a rookie card?
Yes - #308 is the 1977 Topps rookie card of Gene Pentz.
How many cards are in the 1977 Topps Baseball set?
660 cards, numbered 1 through 660 with none skipped and distributed as a single series. No card carries a catalogued print variation, so the base set and the master set are the same 660 cards.
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.