1975 Topps #538 Duffy Dyer
About Duffy Dyer
Don Robert "Duffy" Dyer got his nickname before he could talk: his mother, listening to the radio show Duffy's Tavern when labor began, asked "How's Duffy?" upon waking, and it stuck. A star at Arizona State, where he helped the Sun Devils win the 1965 College World Series alongside teammates Sal Bando and Rick Monday, Dyer was drafted by the Mets in 1966 and debuted with them in 1968. He caught for the "Miracle Mets" championship club in 1969, lofting a pinch-hit, three-run homer on Opening Day that made him a cult favorite at Shea Stadium. His best season came in 1972, when he set career highs with eight home runs and 36 RBIs while filling in for an injured Jerry Grote. Dealt to Pittsburgh for Gene Clines after the 1974 season, Dyer is shown on his 1975 Topps card (#538) backing up All-Star Manny Sanguillén; he caught John Candelaria's 1976 no-hitter and later coached and managed in the minors and majors for two more decades.
Sources: Wikipedia · SABR BioProject · Baseball-Reference
Graded population (PSA & SGC)
| Grader | Total | 10 | 9 | 8 | 7 | 6 | 5 | 1-4 | Auth |
|---|---|---|---|---|---|---|---|---|---|
| PSA | 261 | 3 | 57 | 148 | 25 | 15 | 10 | 3 | 0 |
| SGC | 11 | 0 | 3 | 8 | 0 | 0 | 0 | 0 | 0 |
Graded population — a scarcity guide, not a price. Snapshot 2026-08-19. Half grades fold down for both graders (8.5→8); PSA qualified slabs (OC, ST, PD, MC and the like) are not counted. The graders do not split the 1975 Topps Mini or O-Pee-Chee issues into this set.
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Frequently asked questions
What is the 1975 Topps #538 card?
It is card #538 of the 660-card 1975 Topps Baseball set, picturing Duffy Dyer.
How many cards are in the 1975 Topps Baseball set?
660 cards, numbered 1-660, with no variations and no short prints - PSA reports the cards were printed in equal quantities. The 1975 Topps Mini and the 1975 O-Pee-Chee issues are separate products with their own checklists.
Sources: Trading Card Database, Cardboard Connection, the PSA price guide, 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 2026-10-05.