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Checklists › 1970 Topps Baseball › #2 Diego Segui

1970 Topps #2 Diego Segui

Seattle Pilots · Pitcher · American League · Base set · Series 1 · Card #2 of 720
Position shown is where he played most in 1969, from that season's fielding records - not read off the card.
1970 Topps #2 Diego Segui, Seattle Pilots
1970 Topps #2 Diego Segui card back
The back of #2 Diego Segui.

About Diego Segui

Card #2, from the first series, still pictures Segui with the Seattle Pilots, although Oakland used him in 1970. That season he went 10-10 in 47 appearances, 19 of them starts. He struck out 95 batters in 162 innings and threw two shutouts.

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)

Graded population (PSA & SGC)

GraderTotal10987651-4Auth
PSA1813178538191270
SGC600122100

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: #713 Seattle Pilots

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Frequently asked questions

What is the 1970 Topps #2 card?

It is card #2 of the 720-card 1970 Topps Baseball set, picturing Diego Segui of the Seattle Pilots.

Why does this card say Seattle Pilots?

Because the card prints the Seattle Pilots, and it is correct as printed: the franchise played the 1970 season as the Milwaukee Brewers, but thirty 1970 Topps cards print the Pilots - the #713 team card, #556 Dave Bristol's manager card, the #88 Pilots Rookie Stars and twenty-seven player cards. 1970 Topps is the second and last Topps flagship set with Seattle Pilots cards.

How many cards are in the 1970 Topps Baseball set?

720 cards, tracked as 726 collectible states. Numbers run from 1 to 720 with none skipped, issued in seven series - #1-132, #133-263, #264-372, #373-459, #460-546, #547-633 and the high numbers, #634-720; 6 cards, all of them checklists, carry catalogued print variations that the master set counts separately.

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.