The Headliners 21 Pack is the latest short-term chase for MLB The Show 26 Diamond Dynasty players. Released on August 18, it features a 99 OVR Phil Rizzuto as the headline card. For anyone trying to improve a roster, MLB Stubs can also be useful when comparing pack chasing with direct marketplace purchases. What Is in Headliners 21? Headliners packs are designed around a featured Diamond...