How Red Sox closer Kenley Jansen rebuilt his mind and body to reach 400 saves - The Athletic
Red Sox, All-Star closer Kenley Jansen agree to $32M contract
Elliott 2021 most influentials: Anthopoulos, Walker and Honourable Mentions — Canadian Baseball Network
Kenley Jansen joins MLB's elite 400-save club, Red Sox teammates gift closer with custom bass guitar
MORE
How Red Sox closer Kenley Jansen rebuilt his mind and body to reach 400 saves - The Athletic
Kenley Jansen - MLB Relief pitcher - News, Stats, Bio and more - The Athletic
Broadcaster David Cone on Luis Tiant being 'my guy,' how pitching has changed, and whether Chris Sale can be a top starter again - The Boston Globe
How Kenley Jansen rediscovered himself with Boston Red Sox - ESPN
Boston Red Sox' Kenley Jansen Comments on Making Baseball History - Fastball
Watch Video Red Sox Made For Kenley Jansen After 400th Save
MLB offseason tracker: Blue Jays add Chad Green to bullpen MLB - Bally Sports
Kenley Jansen on 400th Career Save
Sources - Red Sox, closer Kenley Jansen reach 2-year deal - ESPN
Red Sox All-Access: Kenley Jansen
Kenley Jansen 400 career saves
Red Sox closer Kenley Jansen 'going to try to avoid' IL stint