#1
of 20
Mariano Rivera
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Mariano Rivera is the greatest closer in MLB history, combining longevity, dominance, and postseason excellence better than anyone. He recorded 652 saves, the all-time MLB record, across 1,283 regular season innings almost exclusively in high leverage situations. His 2.21 career ERA and 205 ERA+ demonstrate sustained run prevention over nearly two decades. Rivera’s cutter is arguably the most effective single relief pitch ever, and hitters still could not square it up despite knowing it was coming. He posted a microscopic 0.70 ERA in 141 postseason innings, the most dominant October résumé of any pitcher. Rivera thrived against elite competition and closed out multiple championships. His command and composure allowed him to remain elite into his 40s. Unlike many power closers, his effectiveness barely fluctuated year to year. When evaluating peak, longevity, and postseason dominance together, no closer matches Rivera’s total package.
Career Numbers
82-60
W-L
2.21
ERA
1,173
K
1,283.2
IP
652
SV
Mariano Rivera at No. 1
This slide covers number 1 of 20 in Top 20 Closers of All Time in History of MLB Baseball: Mariano Rivera. Mariano Rivera's pitching line on the card: 82 wins, a 2.21 ERA, 1,173 strikeouts. It also counts 652 saves. The Explore section links Mariano Rivera's debut decade, the 1990s, and other players born in Panama. Billy Wagner follows at 2. The ranking and the write-up above it are the list's editorial judgment; the career numbers come from the same tables as the player pages.