Matt Barnes, All-Star? Boston Red Sox closer said he'd be 'very fortunate' to make team, but if not, 'I'll go home for a few days and sit on the couch' - masslive.com
With Faith And Focus, Mariano Rivera Became Baseball's 'Closer' : NPR
Fantasy Baseball Closer Report: Week 9 (2021) | FantasyPros
2021 Fantasy Baseball Closer Rankings & Bullpen Depth Charts
The Rays and the story of modern baseball: Abolishing the closer - DRaysBay
Ranking all 30 MLB closers
Top 101 Fantasy Baseball Relief Pitcher Rankings (Week 7) | RotoBaller