1972 Topps #735 Diego Segui
About Diego Segui
Oakland sent Segui to the St. Louis Cardinals on June 7, 1972, for future considerations, a midseason move from the American League to the National League. Across both clubs he made 40 appearances, three of them starts, and saved nine games. He went 3-2 with a 3.22 ERA and 65 strikeouts. His #735 is a sixth-series issue that lists him with the Athletics.
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 | 359 | 17 | 113 | 161 | 38 | 18 | 7 | 5 | 0 |
| SGC | 17 | 1 | 6 | 5 | 2 | 1 | 1 | 1 | 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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Team card: #454 Oakland A's
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Frequently asked questions
What is the 1972 Topps #735 card?
It is card #735 of the 787-card 1972 Topps Baseball set, picturing Diego Segui of the Oakland Athletics.
Why is #735 harder to find?
It is a high number card from the sixth and last print series, #657-787 - with the fifth series, the toughest to find, per PSA.
How many cards are in the 1972 Topps Baseball set?
787 cards, tracked as 794 collectible states. Numbers run from 1 to 787 with none skipped, in six print series (#1-132, #133-263, #264-394, #395-525, #526-656 and #657-787, the high numbers); 7 cards carry catalogued print variations that the master set counts separately - four Chicago Cubs cards with yellow or green under the "C" and "S" of the team name, the #251 and #478 checklists with smaller or larger print on the front, and the #604 checklist with its copyright line aligned right or left.
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.