Roy Halladay taught Cole Hamels more than just the game – NBC Sports Philadelphia
Roy Halladay, the quiet workaholic, left a loud and lasting mark in his relatively short time with the Phillies - The Athletic
He Exemplified The Best': Cole Hamels Remembers Roy Halladay During Memorial Service
He Exemplified The Best': Cole Hamels Remembers Roy Halladay During Memorial Service
Roy Halladay 1977-2017: Cy Young winner dies when private plane crashes
Halladay, Hamels and Oswalt: Best Phillies Trio Ever?, by MLB.com/blogs
Cole Hamels top career moments
Cole Hamels' best moments with Phillies
Ten years later, Roy Halladay's perfect game lives on with the Phillies, Marlins, and so many others who were there