What happened to Kenley Jansen? A look at the rules violations that triggered the Red Sox closer's blown save - The Boston Globe
Red Sox Closer Kenley Jansen as Good as Ever - Belly Up Sports
Should MLB's pitch-clock rules change in playoffs? My plan to 'kill the clock' (3x a game) - The Athletic
MLB Roundtable: Biggest early-season questions
Kenley Jansen throwing harder cutter in 2023
Red Sox, All-Star closer Kenley Jansen agree to $32M contract
What happened to Kenley Jansen? A look at the rules violations that triggered the Red Sox closer's blown save - The Boston Globe
Why baseball's slowest pitcher is embracing the pitch clock
How MLB's new rules are shaping the 2022-23 offseason and changing the art of team building - The Athletic