Aaron Nola made his major-league debut in 2016, an early rebuild season in which the Phillies lost 96 games.
Rhys Hoskins came the next year, hitting 18 home runs in 50 games and bringing some intrigue to another lost Phillies season.
Bryce Harper arrived in 2019, signing a 13-year, $330-million contract that was the biggest sign the Phillies were ready to contend after a long, dark period.
All three saw the team collapse down the stretch each of the last three years - while Hoskins and Nola were part of a late-season stumble in 2018.