Closer (baseball) - Wikipedia
Mariano Rivera is NOT the Greatest Closer of All-Time - Beyond the
Mariano Rivera Greatest Closer Ever
Mariano Rivera dealt with plenty of adversity on the way to being
Get to know Mo: Life & Times of the great closer
Mariano Rivera, Biography, Stats, & Facts
Mariano Rivera: MLB's Greatest Closer - Pinstripes Nation
Mariano Rivera dealt with plenty of adversity on the way to being
New York Yankees Top Ten: From Mo to Mr. October
Mariano Rivera – Society for American Baseball Research
Mariano Rivera bids goodbye to Bronx