Cliff Lee Vs. Roy Halladay: Which Is the Bigger Postseason Ace

Top 60 All-Time Jays: #1 Roy Halladay - Bluebird Banter

Cliff Lee vs. Roy Halladay

Roy Halladay retires as a Blue Jay after injuries cut short Hall of Fame career - Sports Illustrated

Halladay vs. Sabathia is big, even on March 4 - Newsday

The Four Aces—Roy Oswalt, Roy Halladay, Cole Hamels, and Cliff Lee—in 2011. That season, Halladay (2nd), Lee (3rd), and Hamels (5th) all finished Top 5 in Cy Young voting. : r/phillies

Roy Halladay Looks Back on His Phillies Years - Philadelphia Magazine

In Zack Wheeler and Aaron Nola, the Phillies are once again holding enviable cards for a playoff run: Pocket aces

Former Cy Young winner and Phillies pitcher Roy Halladay killed in plane crash

We're good': The definitive history of Cliff Lee's amazing 2010 Rangers season - The Athletic

Dynasty vs. destiny - The Good Phight

All-star pitcher, Phillies great Roy Halladay dies in plane crash – thereporteronline

Defending champion Phillies reach deal for Indians ace Cliff Lee – New York Daily News

Philadelphia Sports: Top 10 athletes from last decade, 2010-19 - Page 9

Roy Halladay and the Ten Year Anniversary of Doctober - Crossing Broad