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Mets' closer Jeurys Familia has been spectacular this season, consistently closing out games in dominant fashion. In 63 appearances, the 25-year-old has a 1.78 ERA, 2.86 FIP, and 36 saves in 41 chances. He is having arguably the best season of any Mets player this year, and one of the best seasons of any closer in Mets history.
| Player | Year | Sv | ERA | FIP | bWAR |
|---|---|---|---|---|---|
| Armando Benitez | 2001 | 43 | 3.77 | 4.27 | 1.0 |
| Armando Benitez | 2000 | 41 | 2.61 | 3.56 | 2.3 |
| Billy Wagner | 2006 | 40 | 2.24 | 2.84 | 2.2 |
| John Franco | 1998 | 38 | 3.62 | 3.65 | 0.7 |
| Jeurys Familia | 2015 | 36 | 1.78 | 2.86 | 2.5 |
| John Franco | 1997 | 36 | 2.55 | 3.04 | 1.5 |
| Francisco Rodriguez | 2009 | 35 | 3.71 | 4.01 | 0.1 |
| Billy Wagner | 2007 | 34 | 2.63 | 3.09 | 1.7 |
| John Franco | 1990 | 33 | 2.70 | 3.17 | 1.5 |
| Armando Benitez | 2002 | 33 | 2.27 | 3.41 | 2.0 |
| Jesse Orosco | 1984 | 31 | 2.59 | 3.10 | 1.8 |
| John Franco | 1994 | 30 | 2.70 | 3.17 | 0.9 |
| John Franco | 1991 | 30 | 2.93 | 2.73 | 0.1 |
With 36 saves this season, Familia has recorded the fifth-most of any season in Mets history. He also has one of just 13 30-save seasons by a Mets closer. Of those 13 seasons, Familia has the lowest ERA, and it is not even close. The next lowest is Billy Wagner, who had a 2.24 ERA in 2006.
In looking at more advanced metrics, Familia has the highest single-season bWAR of any Mets pitcher on this list with 2.5. Additionally, the only pitchers in Mets history to record 30 saves while having a FIP lower than Familia's current mark were John Franco in 1990 (2.85) and 1991 (2.73), and Wagner in 2006 (2.84). So no matter what statistic you might look at, Familia is either at the top or close to it.
With 26 games to go on the season, it is possible that Familia could flirt with the Mets' all-time saves record. The current record is held by Armando Benitez, who recorded 43 saves in 2001. He also has the second-highest single-season mark with 41 in 2000.