How Red Sox closer Kenley Jansen rebuilt his mind and body to reach 400 saves - The Athletic

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

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Red Sox All-Access: Kenley Jansen

Red Sox's Kenley Jansen records 400th save in Red Sox's win - ESPN

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Kenley Jansen 400 career saves

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Red Sox All-Access: Kenley Jansen

Kenley Jansen has racked up a lot of saves, but his first with the Red Sox was special - The Boston Globe

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