With R.A. Dickey throwing in a dome for 1/2 of his games in a dome. Here are the results of pitchers in domes instead of in open air for comparison. It looks like knuckleball pitchers throw a bit better in domes.
| Steve Sparks | BABIP | K% | BB% | HR/9 | ERA |
| Open | 0.295 | 27.9% | 22.0% | 1.10 | 5.00 |
| Dome | 0.275 | 36.9% | 24.2% | 0.66 | 3.89 |
| Joe Neikro | |||||
| Open | 0.275 | 31.7% | 22.1% | 0.85 | 3.94 |
| Dome | 0.268 | 42.9% | 27.9% | 0.40 | 2.95 |
| Phil Nekro | |||||
| Open | 0.273 | 44.5% | 23.3% | 0.80 | 3.35 |
| Dome | 0.281 | 49.2% | 19.0% | 0.85 | 3.31 |
| Charlie Hough | |||||
| Open | 0.254 | 46.0% | 31.2% | 0.92 | 3.76 |
| Dome | 0.248 | 42.9% | 33.8% | 0.80 | 3.56 |
| Tim Wakfield | |||||
| Open | 0.277 | 40.9% | 22.0% | 1.18 | 4.43 |
| Dome | 0.260 | 48.9% | 28.8% | 1.06 | 4.29 |
| Tom Candiotti | |||||
| Open | 0.283 | 43.4% | 21.4% | 0.82 | 3.69 |
| Dome | 0.293 | 47.4% | 22.3% | 0.90 | 4.31 |
| R.A. Dickey | |||||
| Open | 0.293 | 43.5% | 17.2% | 1.04 | 3.91 |
| Dome | 0.307 | 44.3% | 23.7% | 1.13 | 4.41 |
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