Top Prospect Konnor Griffin Set for MLB Debut and $140M Extension

The Pirates are promoting 19-year-old shortstop Konnor Griffin to the major leagues for Friday's home opener against the Orioles. Widely regarded as the consensus No. 1 prospect, Griffin is finalizing a nine-year, $140 million contract extension. His arrival as a teenage superstar marks a historic roster addition for Pittsburgh. His deal is also influencing the market parameters for other young prospects like Kevin McGonigle.