Billy Koch played in Major League Baseball from 1999 to 2004, appearing in 379 games over 6 seasons. He recorded a total of 29 W and 25 L, an ERA of 3.89, 357 SO, a WHIP of 1.399, and a WAR of 5.5.
🧾 Basic Profile
 | |
| Name | Billy Koch |
| Date of Birth | December 14, 1974 |
| Nationality |  United States |
| Position | Pitcher |
| Throws | Right |
| Bats | Right |
| MLB Debut | 1999 |
Billy Koch Yearly Pitching Stats
This chart shows the season-by-season changes in ERA, SO, and IP for Billy Koch.
Parsing Data
Data Source: Baseball Reference
📊 Career Summary
Billy Koch appeared in 379 games over 6 MLB seasons from 1999 to 2004. Below are his cumulative stats and MLB all-time rankings:
| GS | 0 (MLB Rank: 8,004) |
| GF | 325 (MLB Rank: 102) |
| W | 29 (MLB Rank: 2,324) |
| L | 25 (MLB Rank: 2,819) |
| SV | 163 (MLB Rank: 80) |
| ERA | 3.89 (MLB Rank: 3,816) |
| IP | 407.1 (MLB Rank: 2,945) |
| SO | 357 (MLB Rank: 2,176) |
| BB | 191 (MLB Rank: 2,525) |
| H | 379 (MLB Rank: 3,110) |
| HR | 41 (MLB Rank: 2,431) |
| SO9 | 7.89 (MLB Rank: 1,974) |
| BB9 | 4.22 (MLB Rank: 4,546) |
| H9 | 8.37 (MLB Rank: 9,190) |
| HR9 | 0.91 (MLB Rank: 4,693) |
| WHIP | 1.399 (MLB Rank: 7,501) |
| WAR | 5.5 (MLB Rank: 1,979) |
📊 Last Season Summary (2004)
In his final season (2004), Billy Koch recorded the following stats:
| GS | 0 |
| GF | 35 |
| W | 2 |
| L | 3 |
| SV | 8 |
| ERA | 4.41 |
| IP | 49 |
| SO | 50 |
| BB | 36 |
| H | 45 |
| HR | 6 |
| SO9 | 9.18 |
| BB9 | 6.61 |
| H9 | 8.27 |
| HR9 | 1.1 |
| WHIP | 1.653 |
| WAR | 0.1 |
📈 Seasonal Highlights
- Most Wins: 2002, 11 W
- Most SO: 2002, 93 SO
- Most IP: 2002, 93.2 IP
- Best WAR: 2000, 2.5 WAR
- Best ERA: 2000, 2.65 ERA
🎯 Postseason Performance
Billy Koch appeared in 3 games during the postseason. He recorded an ERA of 9, pitched 3 IP, struck out 3 batters, with 0 W and 0 L.
Billy Koch 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1999 | 0 | 5 | 3.39 | 0 | 31 | 57 | 63.2 | 1.7 | 1.335 | 5 | 55 | 30 | 26 | 24 | 144 | 3.92 | 8.1 | 1.9 | 0 | 56 | 48 | 0 | 0 | 0.7 | 7.8 | 4.2 | 0 | 3 | 5 | 0 | 272 |
2000 | 9 | 3 | 2.63 | 0.75 | 33 | 60 | 78.2 | 2.5 | 1.22 | 6 | 78 | 18 | 28 | 23 | 193 | 3.36 | 6.9 | 3.33 | 0 | 68 | 62 | 0 | 0 | 0.7 | 8.9 | 2.1 | 0 | 2 | 4 | 1 | 326 |
2001 | 2 | 5 | 4.8 | 0.286 | 36 | 55 | 69.1 | 0.1 | 1.471 | 7 | 69 | 33 | 39 | 37 | 96 | 4.46 | 7.1 | 1.67 | 0 | 69 | 56 | 0 | 0 | 0.9 | 9 | 4.3 | 0 | 6 | 7 | 5 | 308 |
2002 | 11 | 4 | 3.27 | 0.733 | 44 | 93 | 93.2 | 1.8 | 1.27 | 7 | 73 | 46 | 38 | 34 | 133 | 3.55 | 8.9 | 2.02 | 0 | 84 | 79 | 0 | 0 | 0.7 | 7 | 4.4 | 0 | 4 | 6 | 5 | 398 |
2003 | 5 | 5 | 5.77 | 0.5 | 11 | 42 | 53 | -0.7 | 1.642 | 10 | 59 | 28 | 36 | 34 | 81 | 5.54 | 7.1 | 1.5 | 0 | 55 | 45 | 0 | 0 | 1.7 | 10 | 4.8 | 0 | 1 | 1 | 3 | 244 |
2004 | 2 | 3 | 4.41 | 0.4 | 8 | 50 | 49 | 0.1 | 1.653 | 6 | 45 | 36 | 25 | 24 | 101 | 4.93 | 9.2 | 1.39 | 0 | 47 | 35 | 0 | 0 | 1.1 | 8.3 | 6.6 | 0 | 2 | 4 | 5 | 229 |
