Dorolice Glaser

Written by Dorolice Glaser

Published: 26 Oct 2025

25-facts-about-jack-flaherty
Source: Fangraphs.com

Who is Jack Flaherty? Jack Flaherty is a professional baseball pitcher known for his impressive skills on the mound. Born on October 15, 1995, in Burbank, California, Flaherty has made a name for himself in Major League Baseball (MLB) as a key player for the St. Louis Cardinals. Why is Jack Flaherty famous? He gained widespread recognition for his breakout season in 2019, where he posted a stellar ERA and became a crucial part of the Cardinals' pitching rotation. What makes Jack Flaherty unique? His combination of speed, control, and mental toughness sets him apart from other pitchers. Want to know more? Here are 25 fascinating facts about Jack Flaherty that will give you a deeper insight into his life and career.

Table of Contents

Early Life and Background

Jack Flaherty's journey to becoming a professional baseball player is filled with interesting details. Let's explore some fascinating facts about his early life and background.

  1. Born on October 15, 1995, in Burbank, California, Jack Flaherty grew up in a sports-loving family.
  2. Flaherty was adopted by his mother, Eileen, when he was just three weeks old.
  3. He attended Harvard-Westlake School in Los Angeles, a school known for producing professional athletes.
  4. During his high school years, Flaherty played alongside future MLB stars Lucas Giolito and Max Fried.
  5. Jack was not only a baseball player but also excelled in basketball during his high school years.

College and Draft

Jack Flaherty's path to the MLB was marked by significant milestones during his college years and the draft process.

  1. Flaherty committed to play college baseball at the University of North Carolina.
  2. However, he chose to forgo college when the St. Louis Cardinals selected him in the first round of the 2014 MLB Draft.
  3. He was the 34th overall pick in the draft, a testament to his impressive skills and potential.
  4. Jack signed with the Cardinals for a $2 million signing bonus, solidifying his decision to pursue a professional career.

Minor League Journey

Before making his MLB debut, Jack Flaherty honed his skills in the minor leagues.

  1. Flaherty began his professional career with the Gulf Coast League Cardinals in 2014.
  2. He quickly moved up the ranks, playing for the Peoria Chiefs, Palm Beach Cardinals, and Springfield Cardinals.
  3. In 2017, he was named the Cardinals' Minor League Pitcher of the Year.
  4. Flaherty's impressive performance in the minors earned him a promotion to the Memphis Redbirds, the Cardinals' Triple-A affiliate.

Major League Debut and Early Career

Jack Flaherty's debut in the MLB marked the beginning of an exciting career with the St. Louis Cardinals.

  1. He made his MLB debut on September 1, 2017, against the San Francisco Giants.
  2. Flaherty recorded his first major league strikeout against Hunter Pence in his debut game.
  3. In 2018, he became a regular starter for the Cardinals, showcasing his talent on the big stage.
  4. Flaherty finished the 2018 season with a 3.34 ERA and 182 strikeouts in 151 innings pitched.

Breakout Season

Jack Flaherty's breakout season solidified his status as one of the top pitchers in the league.

  1. In 2019, Flaherty had a remarkable second half, posting a 0.91 ERA after the All-Star break.
  2. He finished the 2019 season with a 2.75 ERA and 231 strikeouts, earning him a fourth-place finish in the National League Cy Young Award voting.
  3. Flaherty's dominant performance helped the Cardinals reach the postseason, where he continued to excel.

Personal Life and Interests

Beyond baseball, Jack Flaherty has a rich personal life and diverse interests.

  1. Flaherty is known for his love of reading, often sharing book recommendations with fans on social media.
  2. He is an advocate for social justice, using his platform to speak out on important issues.
  3. Jack has a close relationship with his mother, Eileen, who has been a constant source of support throughout his career.
  4. He enjoys playing video games and often streams his gameplay on Twitch.
  5. Flaherty is also a fan of hip-hop music, frequently attending concerts and sharing his favorite tracks with fans.

Jack Flaherty: A Pitcher to Watch

Jack Flaherty's journey in baseball is nothing short of impressive. From his early days in Burbank, California, to becoming a standout pitcher for the St. Louis Cardinals, Flaherty's dedication and talent have made him a player to watch. His high school achievements, including being named the 2014 Gatorade Player of the Year, set the stage for his professional success. Flaherty's major league debut in 2017 was just the beginning. By 2019, he was already making headlines with his stellar performances, earning a spot in the All-MLB Second Team. Off the field, Flaherty's commitment to social justice and community involvement shows he's more than just an athlete. As he continues to grow and evolve, both on and off the mound, fans can expect even greater things from this talented pitcher. Keep an eye on Jack Flaherty; his story is far from over.

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