3 high school teammates become MLB opening day starters - The San Diego Union-Tribune
Sources: At deadline, Cardinals deal starter Jack Flaherty to Baltimore Orioles
JOHN FLAHERTY Obituary (2018) - South Boston, MA - Boston Globe
You're About to Know Jack, News, Scores, Highlights, Stats, and Rumors
Jack flaherty hi-res stock photography and images - Alamy
Susan Susie Preston Flaherty Obituary - Visitation & Funeral Information
John F. Cusack, 76; former state representative - The Boston Globe
Jack flaherty hi-res stock photography and images - Alamy
Jack Flaherty - Wikipedia
John Jack Cook Obituary 2022 - C C Shepherd Funeral Home
Transaction Analysis 9/5/22: Jack is Back, Hudson Optioned and Fernandez DFAd - Viva El Birdos
John Flaherty Obituary (2023) - Pittsburgh, PA - Triblive Online Only