MLB.com article today:
Here is a potential future closer for each team - Jim Callis, Sam Dykstra, Jonathan Mayo
Blue Jays: Hagen Danner, RHP (No. 22)
Once a catcher who was taken in the second round of the 2017 Draft, Danner transitioned to the mound in 2021 and showed enough promise to earn a 40-man spot the following offseason. A fastball capable of touching the upper-90s, along with an above-average slider and solid curveball, were big reasons why Toronto protected him from the Rule 5 Draft and could make him an absolute weapon out of the bullpen. Injuries have been an issue, including this spring’s right forearm inflammation, but good news there: Danner was added to the Double-A New Hampshire active roster on Tuesday.
https://www.mlb.com/news/future-closers-for-each-team-2023?t=mlb-pipeline-coverage