5 things to know about Konnor Griffin before Pirates debut - Pittsburgh Post-Gazette

5 things to know about Konnor Griffin before Pirates debut  Pittsburgh Post-GazettePirates top prospect Konnor Griffin's MLB debut: What to know  ESPNBy the numbers: Konnor Griffin's monster potential  MLB.comOn Second Thought, Let’s Call Konnor Griffin Up After All  FanGraphsPaul Zeise: Pirates should wait to sign Konnor Griffin to an extension  Pittsburgh Post-Gazette