Bob Shawkey came back from World War I and pitched the best season of his Yankees career. The right-hander won 20 games against 11 losses in 1919, anchoring a rotation that carried the team to 80 wins and a third-place finish. On September 27, he delivered the punctuation mark: 15 strikeouts against the Philadelphia Athletics in his 20th victory, setting a Yankees franchise record that would stand for 59 years until Ron Guidry broke it in 1978. Shawkey's season announced that the Yankees had a legitimate ace for the first time in franchise history.
The Return from Service
Shawkey had missed time during the war years, serving in the military like millions of other American men. His return to the Yankees in 1919 carried a question: could a pitcher who'd been away from competitive baseball come back at the same level? The dead-ball era was unforgiving to arms that lost their conditioning, and the transition from military life to professional sport wasn't simple.
Shawkey answered the question immediately. His arm was live, his command was sharp, and his competitiveness -- always his defining trait -- hadn't dulled during his absence. From the season's first start, he pitched like a man who'd been waiting for this opportunity and intended to make the most of it.
Twenty Wins and What They Meant
In the context of the 1919 Yankees, Shawkey's 20 wins represented something the franchise hadn't had: a staff ace who could beat anyone on any given day. The Yankees had employed good pitchers before -- Ray Caldwell at his best had been brilliant, Ray Fisher's ERAs were consistently strong -- but none had combined consistency, durability, and dominance the way Shawkey did in 1919.
His 20-11 record reflected a team that scored runs when he pitched -- a luxury Caldwell had never consistently enjoyed. But it also reflected Shawkey's ability to keep games close and give the lineup chances to win. He didn't rely on run support. He earned it through competence.
The 15-Strikeout Game
September 27, 1919. The Polo Grounds. Philadelphia Athletics in town for the final week of the season. Shawkey took the mound seeking his 20th victory, and what he delivered was more than a milestone -- it was a masterpiece.
Fifteen strikeouts. Against the Athletics' lineup, Shawkey's fastball and breaking ball were virtually unhittable. Batter after batter went down swinging or watching, unable to solve the right-hander's stuff on a day when everything was working. The 15 strikeouts set a franchise record -- the most any Yankees pitcher had recorded in a single game.
The record would stand for an astonishing 59 years. Not until June 17, 1978, when Ron Guidry struck out 18 California Angels in a legendary performance, would a Yankee top Shawkey's mark. That the record survived the Ruth era, the DiMaggio era, the Mantle era, and everything in between speaks to the exceptional nature of Shawkey's performance.
Anchoring the Rotation
Shawkey didn't pitch in isolation. The mid-season acquisition of Carl Mays gave the Yankees a lethal 1-2 combination down the stretch. Jack Quinn contributed 15-plus wins as the third starter. The rotation had depth that the franchise hadn't possessed in previous seasons.
But Shawkey was the centerpiece. When the Yankees needed a big win, they turned to him. When the rotation needed stability, he provided it. And when the season reached its final week, he delivered the kind of signature performance -- 15 strikeouts, 20th win -- that builds a pitcher's legacy.
The Foundation for What Followed
Shawkey's 1919 season established the pitching foundation for the Yankees' rise to dominance. He'd win 20 games again in subsequent seasons, becoming a consistent front-of-rotation presence as the franchise added Ruth's bat and Huggins's strategic acumen to the mix.
His 15-strikeout game, in particular, served as evidence that the Yankees could produce dominant individual performances -- not just competitive ones. For a franchise that had spent most of its existence in the American League's lower half, having a pitcher capable of striking out 15 men in a game was a statement of arrival.
| 1919 Record | 20-11 |
| September 27 Strikeouts | 15 (Yankees franchise record) |
| Record Duration | 59 years (broken by Guidry, 1978) |
| Opponent (15 K Game) | Philadelphia Athletics |
| Venue | Polo Grounds |
| Milestone | 20th win of the season |
| Context | Return from WWI military service |
Shawkey Serves in WWI
Like millions of Americans, Shawkey misses time from his career to serve during World War I.
Returns to the Yankees
Shawkey rejoins the team and immediately shows his arm hasn't lost anything during his absence.
Emerges as Clear Ace
Shawkey establishes himself as the Yankees' unquestioned top starter, accumulating wins at a pace no previous Yankees pitcher had matched.
15 Strikeouts, 20th Win
Shawkey strikes out 15 Athletics at the Polo Grounds, setting a Yankees franchise record while earning his 20th victory of the season.
Guidry Breaks the Record
Ron Guidry strikes out 18 California Angels, finally surpassing Shawkey's 59-year-old single-game strikeout record.
Frequently Asked Questions
How many strikeouts did Bob Shawkey record on September 27, 1919?
Shawkey struck out 15 Philadelphia Athletics batters, setting a Yankees franchise record for strikeouts in a single game. The game was also his 20th win of the season. The record stood for 59 years until Ron Guidry struck out 18 Angels in 1978.
Was Shawkey's 20-win season his best with the Yankees?
The 1919 season was Shawkey's breakthrough as a Yankees ace. He'd go on to win 20 games in multiple additional seasons, but the 1919 campaign -- his first full season back from World War I service -- established him as the franchise's top pitcher.
How important was Shawkey to the Yankees' rise?
Shawkey was the pitching foundation of the franchise's transition from also-ran to contender. His 20-win seasons provided the kind of rotation stability that allowed Huggins to build around Ruth's bat. Without Shawkey's consistency, the Yankees' early 1920s dynasty would have lacked the pitching depth it needed.