Since 2000, Jonathan Papelbon has the best ERA by a rookie with 50.0+ innings pitched, with an ERA of 0.92 in 2006.
| NAME | ERA | IP | SEASON | TM | G | W | L | W% | GS | SO | CG | SHO | SV | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Papelbon | 0.92 | 68.1 | 2006 | 59 | 4 | 2 | .667 | 0 | 75 | 0 | 0 | 35 | 40 | 7 | 8 | 3 | 13 | 1 | 49 | 2 | 257 | 2 | 9.88 | 1.71 | 5.77 | 0.40 | 29.2 | 5.1 | 0.78 | .224 | 1.05 | 20 | 2.13 | 48 | 5.27 | 17.7 | |
| 2 | | B. Ziegler | 1.06 | 59.2 | 2008 | 47 | 3 | 0 | 1.000 | 0 | 30 | 0 | 0 | 11 | 47 | 7 | 8 | 2 | 22 | 1 | 21 | 3 | 229 | 0 | 4.53 | 3.32 | 1.36 | 0.30 | 13.1 | 9.6 | 1.16 | .259 | 1.21 | 25 | 3.71 | 88 | 7.09 | 3.5 | |
| 3 | | C. Meredith | 1.07 | 50.2 | 2006 | 45 | 5 | 1 | .833 | 0 | 37 | 0 | 0 | 0 | 30 | 6 | 6 | 3 | 6 | 2 | 11 | 3 | 185 | 0 | 6.57 | 1.07 | 6.17 | 0.53 | 20.0 | 3.2 | 0.71 | .197 | 1.07 | 26 | 2.92 | 67 | 5.33 | 8.2 | |
| 4 |  | E. Clase | 1.29 | 69.2 | 2021 | 71 | 4 | 5 | .444 | 0 | 74 | 0 | 0 | 24 | 51 | 10 | 18 | 2 | 16 | 0 | 51 | 3 | 279 | 3 | 9.56 | 2.07 | 4.63 | 0.26 | 26.5 | 5.7 | 0.96 | .262 | 2.33 | 31 | 2.10 | 50 | 6.59 | 16.5 | |
| 5 | | D. Betances | 1.40 | 90.0 | 2014 | 70 | 5 | 0 | 1.000 | 0 | 135 | 0 | 0 | 1 | 46 | 14 | 15 | 4 | 24 | 4 | 8 | 1 | 341 | 2 | 13.50 | 2.40 | 5.63 | 0.40 | 39.6 | 7.0 | 0.78 | .241 | 1.50 | 36 | 1.64 | 42 | 4.60 | 22.2 | |
| 6 | | T. Roark | 1.51 | 53.2 | 2013 | 14 | 7 | 1 | .875 | 5 | 40 | 0 | 0 | 0 | 38 | 9 | 11 | 1 | 11 | 0 | 1 | 0 | 204 | 0 | 6.71 | 1.84 | 3.64 | 0.17 | 19.6 | 5.4 | 0.91 | .243 | 1.84 | 40 | 2.41 | 65 | 6.37 | 7.9 | |
| 7 | | L. Avilan | 1.52 | 65.0 | 2013 | 75 | 5 | 0 | 1.000 | 0 | 38 | 0 | 0 | 0 | 40 | 11 | 12 | 1 | 22 | 4 | 7 | 2 | 256 | 3 | 5.26 | 3.05 | 1.73 | 0.14 | 14.8 | 8.6 | 0.95 | .204 | 1.66 | 41 | 3.27 | 90 | 5.54 | 2.7 | |
| 8 | | R. Soriano | 1.53 | 53.0 | 2003 | 40 | 3 | 0 | 1.000 | 0 | 68 | 0 | 0 | 1 | 30 | 9 | 9 | 2 | 12 | 3 | 12 | 1 | 201 | 0 | 11.55 | 2.04 | 5.67 | 0.34 | 33.8 | 6.0 | 0.79 | .241 | 1.53 | 36 | 1.80 | 41 | 5.09 | 15.4 | |
| 9 | | H. Gaddis | 1.57 | 74.2 | 2024 | 78 | 6 | 3 | .667 | 0 | 66 | 0 | 0 | 0 | 43 | 13 | 16 | 4 | 14 | 4 | 8 | 1 | 278 | 2 | 7.96 | 1.69 | 4.71 | 0.48 | 23.7 | 5.0 | 0.76 | .205 | 1.93 | 39 | 2.81 | 69 | 5.18 | 10.3 | |
| 10 | | J. Arredondo | 1.62 | 61.0 | 2008 | 52 | 10 | 2 | .833 | 0 | 55 | 0 | 0 | 0 | 42 | 11 | 15 | 3 | 22 | 1 | 10 | 0 | 244 | 1 | 8.11 | 3.25 | 2.50 | 0.44 | 22.5 | 9.0 | 1.05 | .239 | 2.21 | 38 | 3.09 | 72 | 6.20 | 8.1 | |
| 11 | | A. Torres | 1.71 | 58.0 | 2013 | 39 | 4 | 2 | .667 | 0 | 62 | 0 | 0 | 0 | 32 | 11 | 12 | 1 | 20 | 3 | 5 | 1 | 226 | 1 | 9.62 | 3.10 | 3.10 | 0.16 | 27.4 | 8.8 | 0.90 | .221 | 1.86 | 45 | 2.32 | 60 | 4.97 | 10.2 | |
| 12 | | H. Street | 1.72 | 78.1 | 2005 | 67 | 5 | 1 | .833 | 0 | 72 | 0 | 0 | 23 | 53 | 15 | 17 | 3 | 26 | 2 | 47 | 4 | 306 | 1 | 8.27 | 2.99 | 2.77 | 0.34 | 23.5 | 8.5 | 1.01 | .246 | 1.95 | 41 | 2.74 | 63 | 6.09 | 13.7 | |
| 13 | | B. Hudson | 1.73 | 62.1 | 2024 | 43 | 6 | 1 | .857 | 0 | 62 | 0 | 0 | 0 | 28 | 12 | 12 | 7 | 17 | 3 | 1 | 0 | 231 | 1 | 8.95 | 2.45 | 3.65 | 1.01 | 26.8 | 7.4 | 0.72 | .148 | 1.73 | 42 | 3.59 | 89 | 4.04 | 3.2 | |
| 14 | | A. Otsuka | 1.75 | 77.1 | 2004 | 73 | 7 | 2 | .778 | 0 | 87 | 0 | 0 | 2 | 56 | 15 | 16 | 6 | 26 | 0 | 18 | 6 | 312 | 0 | 10.13 | 3.03 | 3.35 | 0.70 | 27.9 | 8.3 | 1.06 | .259 | 1.86 | 44 | 2.81 | 66 | 6.52 | 12.5 | |
| 15 | | T. Cosgrove | 1.75 | 51.1 | 2023 | 54 | 1 | 2 | .333 | 0 | 44 | 0 | 0 | 1 | 31 | 10 | 12 | 3 | 19 | 5 | 16 | 1 | 205 | 1 | 7.71 | 3.33 | 2.32 | 0.53 | 21.5 | 9.3 | 0.97 | .209 | 2.10 | 42 | 3.70 | 85 | 5.44 | 3.6 | |
| 16 | | R. Perez | 1.78 | 60.2 | 2007 | 44 | 1 | 2 | .333 | 0 | 62 | 0 | 0 | 1 | 41 | 12 | 15 | 5 | 15 | 0 | 11 | 2 | 236 | 4 | 9.20 | 2.23 | 4.13 | 0.74 | 26.3 | 6.4 | 0.92 | .234 | 2.23 | 40 | 3.00 | 69 | 6.08 | 9.2 | |
| 17 | | G. Holland | 1.80 | 60.0 | 2011 | 46 | 5 | 1 | .833 | 0 | 74 | 0 | 0 | 4 | 37 | 12 | 13 | 3 | 19 | 1 | 15 | 3 | 233 | 7 | 11.10 | 2.85 | 3.89 | 0.45 | 31.8 | 8.2 | 0.93 | .250 | 1.95 | 43 | 2.20 | 55 | 5.55 | 12.1 | |
| 18 | | P. Moylan | 1.80 | 90.0 | 2007 | 80 | 5 | 3 | .625 | 0 | 63 | 0 | 0 | 1 | 65 | 18 | 27 | 6 | 31 | 7 | 16 | 12 | 359 | 2 | 6.30 | 3.10 | 2.03 | 0.60 | 17.5 | 8.6 | 1.07 | .234 | 2.70 | 41 | 3.96 | 89 | 6.50 | 4.8 | |
| 19 | | Z. Duke | 1.81 | 84.2 | 2005 | 14 | 8 | 2 | .800 | 14 | 58 | 0 | 0 | 0 | 79 | 17 | 20 | 3 | 23 | 2 | 0 | 2 | 341 | 1 | 6.17 | 2.44 | 2.52 | 0.32 | 17.0 | 6.7 | 1.20 | .298 | 2.13 | 43 | 2.99 | 72 | 8.40 | 11.2 | |
| 20 | | C. Green | 1.83 | 69.0 | 2017 | 40 | 5 | 0 | 1.000 | 1 | 103 | 0 | 0 | 0 | 34 | 14 | 14 | 4 | 17 | 2 | 4 | 0 | 253 | 3 | 13.43 | 2.22 | 6.06 | 0.52 | 40.7 | 6.7 | 0.74 | .236 | 1.83 | 42 | 1.74 | 39 | 4.43 | 20.6 | |
| 21 | | A. Bailey | 1.84 | 83.1 | 2009 | 68 | 6 | 3 | .667 | 0 | 91 | 0 | 0 | 26 | 49 | 17 | 17 | 5 | 24 | 0 | 54 | 3 | 323 | 6 | 9.83 | 2.59 | 3.79 | 0.54 | 28.2 | 7.4 | 0.88 | .217 | 1.84 | 43 | 2.55 | 59 | 5.29 | 16.7 | |
| 22 | | A. DÃaz | 1.84 | 63.2 | 2022 | 59 | 7 | 3 | .700 | 0 | 83 | 0 | 0 | 10 | 28 | 13 | 18 | 5 | 33 | 5 | 20 | 3 | 255 | 7 | 11.73 | 4.66 | 2.52 | 0.71 | 32.5 | 12.9 | 0.96 | .178 | 2.54 | 43 | 3.31 | 79 | 3.96 | 6 | |
| 23 |  | J. Duran | 1.86 | 67.2 | 2022 | 57 | 2 | 4 | .333 | 0 | 89 | 0 | 0 | 8 | 50 | 14 | 15 | 6 | 16 | 4 | 18 | 3 | 266 | 6 | 11.84 | 2.13 | 5.56 | 0.80 | 33.5 | 6.0 | 0.98 | .291 | 2.00 | 49 | 2.52 | 65 | 6.65 | 10.5 | |
| 24 | | M. Crudale | 1.88 | 52.2 | 2002 | 49 | 3 | 0 | 1.000 | 1 | 47 | 0 | 0 | 0 | 43 | 11 | 11 | 3 | 14 | 1 | 14 | 2 | 213 | 3 | 8.03 | 2.39 | 3.36 | 0.51 | 22.1 | 6.6 | 1.08 | .270 | 1.88 | 47 | 2.76 | 67 | 7.35 | 8 | |
| 25 |  | C. Smith | 1.91 | 75.1 | 2024 | 74 | 6 | 1 | .857 | 0 | 103 | 0 | 0 | 1 | 51 | 16 | 16 | 1 | 17 | 3 | 2 | 0 | 289 | 0 | 12.31 | 2.03 | 6.06 | 0.12 | 35.6 | 5.9 | 0.90 | .303 | 1.91 | 48 | 1.39 | 34 | 6.09 | 22.4 | |
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| NL East | W | L | PCT | GB |
|---|---|---|---|---|
70 | 47 | .598 | ||
62 | 56 | .525 | 8.5 | |
59 | 59 | .500 | 11.5 | |
58 | 61 | .487 | 13.0 | |
51 | 67 | .432 | 19.5 | |
| NL Central | W | L | PCT | GB |
73 | 44 | .624 | ||
68 | 50 | .576 | 5.5 | |
58 | 59 | .496 | 15.0 | |
58 | 61 | .487 | 16.0 | |
56 | 60 | .483 | 16.5 | |
| NL West | W | L | PCT | GB |
70 | 47 | .598 | ||
62 | 56 | .525 | 8.5 | |
61 | 57 | .517 | 9.5 | |
49 | 68 | .419 | 21.0 | |
46 | 71 | .393 | 24.0 |
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Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
70 | 46 | .603 | ||
66 | 51 | .564 | 4.5 | |
64 | 52 | .552 | 6.0 | |
56 | 61 | .479 | 14.5 | |
56 | 62 | .475 | 15.0 | |
| AL Central | W | L | PCT | GB |
60 | 56 | .517 | ||
58 | 60 | .492 | 3.0 | |
58 | 60 | .492 | 3.0 | |
57 | 60 | .487 | 3.5 | |
49 | 69 | .415 | 12.0 | |
| AL West | W | L | PCT | GB |
60 | 58 | .508 | ||
59 | 58 | .504 | 0.5 | |
56 | 62 | .475 | 4.0 | |
46 | 71 | .393 | 13.5 | |
45 | 72 | .385 | 14.5 |
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