The pitcher who nearly achieved a perfect .900 winning percentage
In short: In 1978, Ron Guidry didn't just dominate the mound; he redefined the limits of pitching success. His season was so statistically overwhelming that he came within a single loss of a record that remains mathematically unreachable for any modern pitcher. Discover the mechanics of his mastery.
Ron Guidry’s 1978 season with the New York Yankees is frequently cited as the all-time best by a franchise pitcher. During this campaign, Guidry posted a staggering 25–3 record, leading the American League with a 1.74 ERA and a .893 winning percentage. His success was largely attributed to his mastery of the slider, a pitch he used to rack up 248 strikeouts. This total broke Jack Chesbro’s 1904 record of 239 strikeouts, a mark that stood for 44 years until Gerrit Cole surpassed it in 2022.
The statistical peak of Guidry's career occurred on September 20, 1978. At that moment, he held a 22–2 record. Had he avoided a loss in Toronto that day, he would have become the first and only pitcher in history to record at least 20 wins with a winning percentage of .900 or higher. Instead, the loss prevented him from reaching this unique milestone, though his 25 wins and .893 percentage remain among the most dominant figures in baseball history. His performance earned him the 1978 American League Cy Young Award unanimously.
Beyond individual stats, Guidry influenced the culture of the game. On June 17, 1978, he struck out 18 batters against the California Angels—a Yankee Stadium record. This specific performance is credited as the catalyst for the 'two-strike clap,' a tradition where fans stand and applaud a strikeout with two strikes on the batter. Guidry's legacy is further cemented by his reputation as a versatile athlete; he won five Gold Glove Awards for his fielding and the 1984 Roberto Clemente Award for his sportsmanship and community involvement.
Guidry's career spanned 14 seasons, beginning in 1975 after he was selected in the third round of the 1971 MLB draft. While his later years were hampered by shoulder and elbow injuries, his impact on the Yankees organization was enduring. He served as a team captain starting in 1986 and eventually transitioned into coaching. His number 49 was retired in 2003, and he remains a symbol of the 'Louisiana Lightning' era of New York baseball.
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- Summary by Intellect · source: Ron Guidry
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