Roy Halladay was the most dominant pitcher in baseball for a full decade. His arsenal of deadly accurate fastballs devastated batters and his endurance enabled him to lead the league in innings pitched several times throughout his career. Now, with the arrival of the Halladay and Friends program, the legendary “Doc” Halladay, can anchor your Diamond Dynasty squad.. Here’s how to unlock Roy Halladay in MLB the Show 22. How to Unlock Roy Halladay in MLB the Show Halladay and Friends is a limited time program in Diamond Dynasty running from May 20 through June 3. Similar to other programs, you will be working your way up a series of … Continue reading How to Unlock Roy Halladay in MLB the Show 22