At age 35, this All-Star selection 'tastes better' to Red Sox closer Kenley Jansen - The Boston Globe

Red Sox Fans Will Absolutely Love What New Closer Kenley Jansen Said About Team - Sports Illustrated Inside The Red Sox

Jansen becomes 7th in major league history with 400 saves, Red Sox beat Braves 5-2 – KGET 17

Red Sox introduce Kenley Jansen, 12/13/2022

Long tenured players who could be free agents

Kenley Jansen introduced as Red Sox' new closer: 'When you come to Fenway … you feel like a kid again' - The Boston Globe

Boston Red Sox - Wikipedia

The 2021 Post–All-Star Break MLB Power Rankings - The Ringer

2023 Top 50 Free Agents

Red Sox closer Kenley Jansen needed a few pitches, but once he found a groove, it was game over for Phillies - The Boston Globe

Red Sox Weekend Warmup: What To Know Before 2023 Season-Opening Series