| ERA - Single Season | | Rank | Player | ERA | Year | | |
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| Winning Pct - Single Season | | Rank | Player | WPct | Year | | | Winning Pct - Career | | Rank | Player | WPct | IP | | 1. | José Ortíz | .476 | 230.0 | |
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| Walks per 9 IP - Single Season | | Rank | Player | BB9 | Year | | | Walks per 9 IP - Career | | Rank | Player | BB9 | IP | | 1. | José Ortíz | 2.8 | 230.0 | |
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| Strikeouts per 9 IP - Single Season | | Rank | Player | K9 | Year | | | Strikeouts per 9 IP - Career | | Rank | Player | K9 | IP | | 1. | José Ortíz | 7.6 | 230.0 | |
| K/BB - Single Season | | Rank | Player | K/BB | Year | | | K/BB - Career | | Rank | Player | K/BB | IP | | 1. | José Ortíz | 2.72 | 230.0 | |
| WHIP - Single Season | | Rank | Player | WHIP | Year | | | WHIP - Career | | Rank | Player | WHIP | IP | | 1. | José Ortíz | 1.41 | 230.0 | |
| OAVG - Single Season | | Rank | Player | OAVG | Year | | | OAVG - Career | | Rank | Player | OAVG | IP | | 1. | José Ortíz | .276 | 230.0 | |
| OSLG - Single Season | | Rank | Player | OSLG | Year | | | OSLG - Career | | Rank | Player | OSLG | IP | | 1. | José Ortíz | .406 | 230.0 | |
| OOPS - Single Season | | Rank | Player | OOPS | Year | | | OOPS - Career | | Rank | Player | OOPS | IP | | 1. | José Ortíz | .739 | 230.0 | |
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