St. Louis Cardinals draft Harvard-Westlake's Jack Flaherty in Round 1 - Los Angeles Times

Jack Flaherty, Lucas Giolito and Max Fried were high school teammates

Jack Flaherty's Harvard-Westlake High School Career Home

Whicker: Jack Flaherty carries Harvard-Westlake flag deep into MLB playoffs – Orange County Register

3 California high school teammates become MLB opening day starters

You're About to Know Jack, News, Scores, Highlights, Stats, and Rumors

Hungry' young Cardinals devour Dodgers with late show of force

You're About to Know Jack, News, Scores, Highlights, Stats, and Rumors

St. Louis Cardinals draft Harvard-Westlake's Jack Flaherty in Round 1 - Los Angeles Times

List of St. Louis Cardinals first-round draft picks - Wikipedia