Jason Isringhausen played in Major League Baseball from 1995 to 2012, appearing in 724 games over 16 seasons. He recorded a total of 51 W and 55 L, an ERA of 3.64, 830 SO, a WHIP of 1.328, and a WAR of 12.4.
🧾 Basic Profile
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| Name | Jason Isringhausen |
| Date of Birth | September 7, 1972 |
| Nationality |  United States |
| MLB Debut | 1995 |
Jason Isringhausen Yearly Pitching Stats
This chart shows the season-by-season changes in ERA, SO, and IP for Jason Isringhausen.
📊 Career Summary
Jason Isringhausen appeared in 724 games over 16 MLB seasons from 1995 to 2012. Below are his cumulative stats and MLB all-time rankings:
| GS | 52 (MLB Rank: 2,333) |
| GF | 499 (MLB Rank: 46) |
| W | 51 (MLB Rank: 1,424) |
| L | 55 (MLB Rank: 1,382) |
| SV | 300 (MLB Rank: 30) |
| ERA | 3.64 (MLB Rank: 2,918) |
| IP | 1007.2 (MLB Rank: 1,299) |
| SHO | 1 (MLB Rank: 2,152) |
| CG | 3 (MLB Rank: 3,161) |
| SO | 830 (MLB Rank: 810) |
| BB | 437 (MLB Rank: 987) |
| H | 901 (MLB Rank: 1,454) |
| HR | 85 (MLB Rank: 1,160) |
| SO9 | 7.41 (MLB Rank: 2,297) |
| BB9 | 3.9 (MLB Rank: 5,368) |
| H9 | 8.05 (MLB Rank: 9,755) |
| HR9 | 0.76 (MLB Rank: 5,692) |
| WHIP | 1.328 (MLB Rank: 8,794) |
| WAR | 12.4 (MLB Rank: 1,026) |
📊 Last Season Summary (2012)
In his final season (2012), Jason Isringhausen recorded the following stats:
| GS | 0 |
| GF | 17 |
| W | 3 |
| L | 2 |
| ERA | 4.14 |
| IP | 45.2 |
| SO | 31 |
| BB | 19 |
| H | 44 |
| HR | 7 |
| SO9 | 6.11 |
| BB9 | 3.74 |
| H9 | 8.67 |
| HR9 | 1.38 |
| WHIP | 1.38 |
| WAR | 0.1 |
📈 Seasonal Highlights
- Most Wins: 1995, 9 W
- Most SO: 1996, 114 SO
- Most IP: 1996, 171.2 IP
- Best WAR: 1995, 3.0 WAR
- Best ERA: 2005, 2.14 ERA
🎯 Postseason Performance
Jason Isringhausen appeared in 23 games during the postseason. He recorded an ERA of 2.4, pitched 26.2 IP, struck out 23 batters, with 1 W and 1 L.
Jason Isringhausen Career Pitching Stats Overview
| season | W | L | ERA | W-L% | SV | SO | IP | WAR | WHIP | HR | H | BB | R | ER | ERA+ | FIP | SO9 | SO/BB | GS | G | GF | CG | SHO | HR9 | H9 | BB9 | BK | HBP | IBB | WP | BF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1995 | 9 | 2 | 2.81 | 0.818 | 0 | 55 | 93 | 3 | 1.28 | 6 | 88 | 31 | 29 | 29 | 144 | 3.82 | 5.3 | 1.77 | 14 | 14 | 0 | 1 | 0 | 0.6 | 8.5 | 3 | 1 | 2 | 2 | 4 | 385 |
1996 | 6 | 14 | 4.77 | 0.3 | 0 | 114 | 171.2 | -0.6 | 1.532 | 13 | 190 | 73 | 103 | 91 | 84 | 4.24 | 6 | 1.56 | 27 | 27 | 0 | 2 | 1 | 0.7 | 10 | 3.8 | 0 | 8 | 5 | 14 | 766 |
1997 | 2 | 2 | 7.58 | 0.5 | 0 | 25 | 29.2 | -0.9 | 2.09 | 3 | 40 | 22 | 27 | 25 | 54 | 5.06 | 7.6 | 1.14 | 6 | 6 | 0 | 0 | 0 | 0.9 | 12.1 | 6.7 | 0 | 1 | 0 | 3 | 145 |
1999 | 1 | 4 | 4.73 | 0.2 | 9 | 51 | 64.2 | 0.6 | 1.515 | 9 | 64 | 34 | 35 | 34 | 96 | 5.08 | 7.1 | 1.5 | 5 | 33 | 20 | 0 | 0 | 1.3 | 8.9 | 4.7 | 0 | 3 | 4 | 4 | 286 |
2000 | 6 | 4 | 3.78 | 0.6 | 33 | 57 | 69 | 1.2 | 1.435 | 6 | 67 | 32 | 34 | 29 | 124 | 4.13 | 7.4 | 1.78 | 0 | 66 | 57 | 0 | 0 | 0.8 | 8.7 | 4.2 | 1 | 3 | 5 | 5 | 304 |
2001 | 4 | 3 | 2.65 | 0.571 | 34 | 74 | 71.1 | 1.9 | 1.079 | 5 | 54 | 23 | 24 | 21 | 165 | 2.85 | 9.3 | 3.22 | 0 | 65 | 54 | 0 | 0 | 0.6 | 6.8 | 2.9 | 0 | 0 | 5 | 2 | 293 |
2002 | 3 | 2 | 2.48 | 0.6 | 32 | 68 | 65.1 | 1.1 | 0.98 | 0 | 46 | 18 | 22 | 18 | 162 | 1.75 | 9.4 | 3.78 | 0 | 60 | 51 | 0 | 0 | 0 | 6.3 | 2.5 | 0 | 1 | 1 | 0 | 257 |
2003 | 0 | 1 | 2.36 | 0 | 22 | 41 | 42 | 1 | 1.167 | 2 | 31 | 18 | 14 | 11 | 176 | 2.98 | 8.8 | 2.28 | 0 | 40 | 31 | 0 | 0 | 0.4 | 6.6 | 3.9 | 0 | 0 | 1 | 6 | 174 |
2004 | 4 | 2 | 2.87 | 0.667 | 47 | 71 | 75.1 | 1.3 | 1.035 | 5 | 55 | 23 | 27 | 24 | 148 | 3.02 | 8.5 | 3.09 | 0 | 74 | 66 | 0 | 0 | 0.6 | 6.6 | 2.7 | 0 | 2 | 4 | 1 | 308 |
2005 | 1 | 2 | 2.14 | 0.333 | 39 | 51 | 59 | 2 | 1.186 | 4 | 43 | 27 | 14 | 14 | 199 | 3.6 | 7.8 | 1.89 | 0 | 63 | 52 | 0 | 0 | 0.6 | 6.6 | 4.1 | 0 | 1 | 5 | 2 | 245 |
2006 | 4 | 8 | 3.55 | 0.333 | 33 | 52 | 58.1 | 0.7 | 1.457 | 10 | 47 | 38 | 25 | 23 | 126 | 5.7 | 8 | 1.37 | 0 | 59 | 51 | 0 | 0 | 1.5 | 7.3 | 5.9 | 0 | 3 | 3 | 3 | 257 |
2007 | 4 | 0 | 2.48 | 1 | 32 | 54 | 65.1 | 1.5 | 1.071 | 4 | 42 | 28 | 21 | 18 | 178 | 3.76 | 7.4 | 1.93 | 0 | 63 | 54 | 0 | 0 | 0.6 | 5.8 | 3.9 | 0 | 2 | 3 | 3 | 267 |
2008 | 1 | 5 | 5.7 | 0.167 | 12 | 36 | 42.2 | -0.8 | 1.641 | 5 | 48 | 22 | 28 | 27 | 75 | 4.87 | 7.6 | 1.64 | 0 | 42 | 27 | 0 | 0 | 1.1 | 10.1 | 4.6 | 0 | 5 | 0 | 1 | 200 |
2009 | 0 | 1 | 2.25 | 0 | 0 | 6 | 8 | 0.2 | 1.375 | 0 | 6 | 5 | 2 | 2 | 201 | 4.22 | 6.8 | 1.2 | 0 | 9 | 4 | 0 | 0 | 0 | 6.8 | 5.6 | 0 | 2 | 0 | 1 | 37 |
2011 | 3 | 3 | 4.05 | 0.5 | 7 | 44 | 46.2 | 0.1 | 1.286 | 6 | 36 | 24 | 23 | 21 | 91 | 4.42 | 8.5 | 1.83 | 0 | 53 | 15 | 0 | 0 | 1.2 | 6.9 | 4.6 | 0 | 1 | 2 | 1 | 200 |
2012 | 3 | 2 | 4.14 | 0.6 | 0 | 31 | 45.2 | 0.1 | 1.38 | 7 | 44 | 19 | 22 | 21 | 93 | 4.98 | 6.1 | 1.63 | 0 | 50 | 17 | 0 | 0 | 1.4 | 8.7 | 3.7 | 0 | 0 | 3 | 3 | 198 |