Closer Kenley Jansen chosen as lone Red Sox representative to All-Star Game
Red Sox' Kenley Jansen committed to not being so damn slow on the mound
Red Sox, closer Kenley Jansen reportedly agree to two-year deal
Kenley Jansen Is Fighting the Clock, but He's Hardly Alone
MLB Pitch Clock Isn't Responsible for Ace Pitcher Struggles
MLB winter meetings rumors: Mets, Red Sox make questionable moves - Sports Illustrated
The Evolution of the Pitch - Newsday
How are MLB's slowest pitchers handling the pitch clock?
A six-man rotation? Five spring storylines to follow as Red Sox open camp, Sports
Kenley Jansen throwing harder cutter in 2023
Red Sox notebook: Jansen trying to speed up with pitch clock looming