Efrain Nieves
P · Last on a Brewers farm club: Brevard County Manatees, 2011
- B/T
- L/L
- Size
- 6' 0", 170 lb
- Born
- 1989-11-15 · Bayamon, Puerto Rico
- Acquired
- Drafted 2007, round 7, pick 221, by Milwaukee Brewers
The path and tables below cover his minor-league seasons with any club, as the MLB Stats API lists them, through 2026. His major-league seasons are in the "Major leagues" section.
Level path
- ROK2007AZL Brewers
- ROK2007Helena Brewers
- ROK2007
- ROK2008Helena Brewers
- A2009Wisconsin Timber Rattlers
- A2010Wisconsin Timber Rattlers
- A+2011Brevard County Manatees
- SS-A2012Connecticut Tigers
- A2013Lansing Lugnuts
- A+2013Dunedin Blue Jays
- A+2014Dunedin Blue Jays
Pitching
| Year | Lvl | Club | Age | Games pitched in. | Games started. | Wins. | Losses. | Saves. | Innings pitched. The digit after the point is outs: 110.1 is 110 innings and one out. | Hits allowed. | Walks allowed. | Strikeouts. | Home runs allowed. | Earned run average: earned runs allowed per nine innings. | Walks plus hits allowed per inning pitched. | Strikeouts per nine innings. | Walks per nine innings. | Strikeout rate: strikeouts divided by batters faced. | Walk rate: walks divided by batters faced. | Strikeout rate minus walk rate, both as a share of batters faced. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2007 | ROK | AZL Brewers | 17 | 13 | 7 | 2 | 4 | 0 | 40.2 | 38 | 25 | 45 | 3 | 5.31 | 1.55 | 9.96 | 5.53 | 24.2% | 13.4% | 10.8% |
| 2007 | ROK | Helena Brewers | 17 | 2 | 0 | 1 | 0 | 0 | 4.2 | 3 | 1 | 4 | 0 | 0.00 | 0.86 | 7.71 | 1.93 | 23.5% | 5.9% | 17.6% |
| 2007 | ROK | — | 17 | 15 | 7 | 3 | 4 | 0 | 45.1 | 41 | 26 | 49 | 3 | 4.76 | 1.48 | 9.73 | 5.16 | 24.1% | 12.8% | 11.3% |
| 2008 | ROK | Helena Brewers | 18 | 16 | 11 | 6 | 3 | 0 | 76.1 | 78 | 10 | 66 | 9 | 4.48 | 1.15 | 7.78 | 1.18 | 21.4% | 3.2% | 18.1% |
| 2009 | A | Wisconsin Timber Rattlers | 19 | 27 | 11 | 5 | 7 | 1 | 94.2 | 116 | 35 | 86 | 7 | 5.70 | 1.60 | 8.18 | 3.33 | 20.2% | 8.2% | 12.0% |
| 2010 | A | Wisconsin Timber Rattlers | 20 | 23 | 7 | 4 | 5 | 1 | 69.2 | 83 | 41 | 53 | 4 | 5.56 | 1.78 | 6.85 | 5.30 | 15.9% | 12.3% | 3.6% |
| 2011 | A+ | Brevard County Manatees | 21 | 41 | 0 | 3 | 0 | 0 | 63.0 | 70 | 27 | 53 | 7 | 4.86 | 1.54 | 7.57 | 3.86 | 18.7% | 9.5% | 9.2% |
| 2012 | SS-A | Connecticut Tigers | 22 | 21 | 0 | 4 | 1 | 3 | 42.0 | 28 | 8 | 42 | 2 | 2.79 | 0.86 | 9.00 | 1.71 | 24.7% | 4.7% | 20.0% |
| 2013 | A | Lansing Lugnuts | 23 | 28 | 0 | 2 | 2 | 0 | 55.0 | 48 | 25 | 54 | 0 | 4.09 | 1.33 | 8.84 | 4.09 | 22.4% | 10.4% | 12.0% |
| 2013 | A+ | Dunedin Blue Jays | 23 | 7 | 4 | 2 | 2 | 0 | 19.2 | 23 | 7 | 13 | 1 | 5.49 | 1.53 | 5.95 | 3.20 | 14.6% | 7.9% | 6.7% |
| 2014 | A+ | Dunedin Blue Jays | 24 | 44 | 4 | 3 | 5 | 1 | 86.1 | 80 | 21 | 57 | 2 | 2.29 | 1.17 | 5.94 | 2.19 | 16.1% | 5.9% | 10.1% |
Major leagues
No major-league games on record.
Posts about him
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Stats from the MLB Stats API, through Oct 9, 2026.