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Diego Seguí
Diego Pablo Seguí González (Spanish: [ˈdjeɣo ˈpaβlo seˈɣi ɣonˈsales]; August 17, 1937 – June 24, 2025) was a Cuban professional baseball player. He played in Major League Baseball (MLB) as a right-handed pitcher for the Kansas City / Oakland Athletics, Washington Senators, Seattle Pilots, St. Louis Cardinals, Boston Red Sox, and Seattle Mariners. Seguí was a forkball specialist who was the 1970 American League ERA leader.
Seguí was born in Holguín, Cuba.
In 1970 with Oakland, Seguí went 10–10 with two saves in 47 appearances (19 starts) while leading the American League pitchers with a 2.56 ERA.
On December 7, 1973, he was traded by St. Louis along with Reggie Cleveland and Terry Hughes to the Red Sox in exchange for John Curtis, Lynn McGlothen, and Mike Garman.
Seguí holds the unique distinction of having pitched for both of Seattle's major league baseball teams, the Pilots and the Mariners, in the first game ever played by each franchise. In these contests, he earned a hold for the Pilots in 1969, and absorbed the opening-day loss for the Mariners in 1977.
His most productive season came in 1969 for the Pilots, when he posted career-highs in wins (12) and saves (6), against only 6 losses. At the end of the season, his teammates voted him the Pilots' Most Valuable Player.
After he started the Mariners' inaugural game in 1977, he was dubbed "the Ancient Mariner," and, although he set a Mariners single-game record with 10 strikeouts early in the season on May 5, he failed to get a win the rest of the way. After compiling a 0–7 record with two saves and a 5.69 ERA in 40 games (seven starts), he was released at the end of the season.
Seguí continued pitching in the Mexican League for another 10 years, tossing a no-hitter for the Cafeteros de Córdoba during the 1978 season. During his Mexican stint, he amassed a 96–61 record with a 2.91 ERA and 1,025 strikeouts in 193 pitching appearances.
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Diego Seguí
Diego Pablo Seguí González (Spanish: [ˈdjeɣo ˈpaβlo seˈɣi ɣonˈsales]; August 17, 1937 – June 24, 2025) was a Cuban professional baseball player. He played in Major League Baseball (MLB) as a right-handed pitcher for the Kansas City / Oakland Athletics, Washington Senators, Seattle Pilots, St. Louis Cardinals, Boston Red Sox, and Seattle Mariners. Seguí was a forkball specialist who was the 1970 American League ERA leader.
Seguí was born in Holguín, Cuba.
In 1970 with Oakland, Seguí went 10–10 with two saves in 47 appearances (19 starts) while leading the American League pitchers with a 2.56 ERA.
On December 7, 1973, he was traded by St. Louis along with Reggie Cleveland and Terry Hughes to the Red Sox in exchange for John Curtis, Lynn McGlothen, and Mike Garman.
Seguí holds the unique distinction of having pitched for both of Seattle's major league baseball teams, the Pilots and the Mariners, in the first game ever played by each franchise. In these contests, he earned a hold for the Pilots in 1969, and absorbed the opening-day loss for the Mariners in 1977.
His most productive season came in 1969 for the Pilots, when he posted career-highs in wins (12) and saves (6), against only 6 losses. At the end of the season, his teammates voted him the Pilots' Most Valuable Player.
After he started the Mariners' inaugural game in 1977, he was dubbed "the Ancient Mariner," and, although he set a Mariners single-game record with 10 strikeouts early in the season on May 5, he failed to get a win the rest of the way. After compiling a 0–7 record with two saves and a 5.69 ERA in 40 games (seven starts), he was released at the end of the season.
Seguí continued pitching in the Mexican League for another 10 years, tossing a no-hitter for the Cafeteros de Córdoba during the 1978 season. During his Mexican stint, he amassed a 96–61 record with a 2.91 ERA and 1,025 strikeouts in 193 pitching appearances.
