1977 Topps #653 Diego Segui
About Diego Segui
Segui spent 1976 with Triple-A Hawaii after Boston released him. San Diego, the Islanders' parent club, sold his contract to Seattle. His 1977 Topps card, #653, listed the Mariners. In his return to the majors, he struck out 91 batters and recorded 2 saves in 40 appearances.
Diego Segui, a right-handed forkball specialist born in Holguin, Cuba, pitched in the majors from 1962 to 1977 for the Kansas City and Oakland Athletics, Washington Senators, Seattle Pilots, St. Louis Cardinals, Boston Red Sox, and Seattle Mariners. Signed by Cincinnati in 1958 and released that April, he was sold to the Athletics by Tucson in September and worked up their farm system before debuting on April 12, 1962. He finished 92-111 with a 3.81 ERA. He saved 71 games, struck out 1,298 batters and led the American League with a 2.56 ERA for Oakland in 1970. His only World Series work came in relief for Boston in Game Five of 1975, a series Cincinnati won in seven games. He is the only man to play for both Seattle franchises. He pitched in relief in the Pilots' first game in 1969 and took the loss in the Mariners' first game in 1977, the start that earned him the name 'the Ancient Mariner.' He later pitched a decade in the Mexican League and still holds the Venezuelan winter league career strikeout record. He was inducted into the Venezuelan Baseball Hall of Fame in 2003. His son David Segui also reached the majors. Segui died in 2025 at 87.
Sources: SABR BioProject · Baseball-Reference · National Baseball Hall of Fame · Baseball Almanac (1) · Baseball Almanac (2) · BaseballCardPedia
Graded population (PSA & SGC)
| Grader | Total | 10 | 9 | 8 | 7 | 6 | 5 | 1-4 | Auth |
|---|---|---|---|---|---|---|---|---|---|
| PSA | 87 | 14 | 39 | 27 | 4 | 1 | 2 | 0 | 0 |
| SGC | 2 | 0 | 1 | 1 | 0 | 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 #653 card?
It is card #653 of the 660-card 1977 Topps Baseball set, picturing Diego Segui of the Seattle Mariners.
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.