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

How Lucas GIolito, Max Fried and Jack Flaherty became big leaguers - Sports Illustrated

Giolito, Flaherty watch prep teammate Fried in World Series Game Six

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

Jack Flaherty - Wikipedia

Phillies' Nick Pivetta aims to improve after offseason training with star pitchers Noah Syndergaard, Jack Flaherty and Lucas Giolito

Lucas Giolito to face Jack Flaherty, his ex-high school teammate

White Sox pitcher Lucas Giolito, a Harvard-Westlake product, reunites with Ethan Katz - The Washington Post

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

Lucas Giolito 'Jealous' But 'Pumped' to See Max Fried Pitch in World Series - On Tap Sports Net

Jack Flaherty, Lucas Giolito attend World Series Game 6 to support Max Fried

Jack Flaherty, Max Fried, Lucas Giolito make it the year of former Harvard-Westlake pitchers in MLB - Los Angeles Times

Angels Going for It With Ohtani, Acquire Pitchers Giolito, López From White Sox for Prospects

Flaherty, Fried and Giolito go from high school to opening day

High school teammates Jack Flaherty and Lucas Giolito talk about facing each other in big leagues

Harvard-Westlake pitchers to start Opening Day