CI Duffy, Matt $0.5m (2020) Fantrax not involved
CI Matt Duffy, $0.5m (2019)
3.) No matter what the current prospect contract is, the prospect extension kicks in the following year at the rate based on when the contract is given.
The 2018 season is the following year, with the player being on a (P-2018) contract, the extension is applied and replaces the final year of the prospect contract. The only way to have the extension expire in (2020) is to request the extension after the season begins—otherwise the aforementioned rule is applied.