| W | L | ERA | G | GS | SV | IP | SO | WHIP | |
|---|---|---|---|---|---|---|---|---|---|
| 2014 | 3 | 5 | 2.29 | 44 | 4 | 1 | 86.1 | 57 | 1.17 |
| Career Minors | 32 | 29 | 4.42 | 222 | 44 | 6 | 552 | 473 | 1.39 |
| G | W-L | ERA | IP | SO | WHIP | |
|---|---|---|---|---|---|---|
| 2014 | 44 | 3-5 | 2.29 | 86.1 | 57 | 1.17 |
| Career Minors | 222 | 32-29 | 4.42 | 552 | 473 | 1.39 |
| Season | Tm | LG | L | W | L | ERA | G | GS | SV | IP | H | R | ER | HR | BB | SO | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2007 | 2 Teams | Minors | 3 | 4 | 4.76 | 15 | 7 | 0 | 45.1 | 41 | 29 | 24 | 3 | 26 | 49 | 1.48 | |
| 2007 | AZL Brewers | AZL | ROK | 2 | 4 | 5.31 | 13 | 7 | 0 | 40.2 | 38 | 29 | 24 | 3 | 25 | 45 | 1.55 |
| 2007 | Helena Brewers | PIO | ROK | 1 | 0 | 0.00 | 2 | 0 | 0 | 4.2 | 3 | 0 | 0 | 0 | 1 | 4 | 0.86 |
| 2007 | 2 Teams | ROK | 3 | 4 | 4.76 | 15 | 7 | 0 | 45.1 | 41 | 29 | 24 | 3 | 26 | 49 | 1.48 | |
| 2008 | Helena Brewers | PIO | ROK | 6 | 3 | 4.48 | 16 | 11 | 0 | 76.1 | 78 | 40 | 38 | 9 | 10 | 66 | 1.15 |
| 2009 | Wisconsin Timber Rattlers | MID | A(Full) | 5 | 7 | 5.70 | 27 | 11 | 1 | 94.2 | 116 | 62 | 60 | 7 | 35 | 86 | 1.60 |
| 2010 | Wisconsin Timber Rattlers | MID | A(Full) | 4 | 5 | 5.56 | 23 | 7 | 1 | 69.2 | 83 | 52 | 43 | 4 | 41 | 53 | 1.78 |
| 2011 | Brevard County Manatees | FSL | A(Adv) | 3 | 0 | 4.86 | 41 | 0 | 0 | 63.0 | 70 | 38 | 34 | 7 | 27 | 53 | 1.54 |
| 2012 | Connecticut Tigers | NYP | A(Short) | 4 | 1 | 2.79 | 21 | 0 | 3 | 42.0 | 28 | 13 | 13 | 2 | 8 | 42 | 0.86 |
| 2013 | 2 Teams | Minors | 4 | 4 | 4.46 | 35 | 4 | 0 | 74.2 | 71 | 48 | 37 | 1 | 32 | 67 | 1.38 | |
| 2013 | Lansing Lugnuts | MID | A(Full) | 2 | 2 | 4.09 | 28 | 0 | 0 | 55.0 | 48 | 33 | 25 | 0 | 25 | 54 | 1.33 |
| 2013 | Dunedin Blue Jays | FSL | A(Adv) | 2 | 2 | 5.49 | 7 | 4 | 0 | 19.2 | 23 | 15 | 12 | 1 | 7 | 13 | 1.53 |
| 2014 | Dunedin Blue Jays | FSL | A(Adv) | 3 | 5 | 2.29 | 44 | 4 | 1 | 86.1 | 80 | 25 | 22 | 2 | 21 | 57 | 1.17 |
| 2 Teams | ROK | 9 | 7 | 4.59 | 31 | 18 | 0 | 121.2 | 119 | 69 | 62 | 12 | 36 | 115 | 1.27 | ||
| 2 Teams | A+ | 8 | 7 | 3.62 | 92 | 8 | 1 | 169.0 | 173 | 78 | 68 | 10 | 55 | 123 | 1.35 | ||
| 2 Teams | A | 11 | 14 | 5.25 | 78 | 18 | 2 | 219.1 | 247 | 147 | 128 | 11 | 101 | 193 | 1.59 | ||
| Norwich Sea Unicorns | NYP | A(Short) | 4 | 1 | 2.79 | 21 | 0 | 3 | 42.0 | 28 | 13 | 13 | 2 | 8 | 42 | 0.86 | |
| Career Minors | 7 Teams | 32 | 29 | 4.42 | 222 | 44 | 6 | 552.0 | 567 | 307 | 271 | 35 | 200 | 473 | 1.39 |
| Year | Team |
|---|---|
| 2010 |
|
| Week | Team |
|---|---|
| 09/01/2008 |
|
| 07/14/2008 |
|
| Team | Date | Transaction |
|---|---|---|
|
|
11/06/2025 | LHP Efrain Nieves assigned to Indios de Mayaguez. |
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05/29/2021 | Puerto Rico activated LHP Efrain Nieves. |
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11/11/2019 | LHP Efrain Nieves assigned to Atenienses de Manati. |
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11/07/2019 | LHP Efrain Nieves assigned to Cangrejeros de Santurce. |
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01/04/2018 | LHP Efrain Nieves assigned to Cangrejeros de Santurce. |
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10/31/2017 | LHP Efrain Nieves assigned to Tiburones de La Guaira. |
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10/31/2017 | Leones del Caracas activated LHP Efrain Nieves. |
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01/18/2017 | LHP Efrain Nieves assigned to Aguilas Cibaenas. |
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01/01/2017 | LHP Efrain Nieves assigned to Indios de Mayaguez from Tiburones de Aguadilla. |
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10/27/2016 | LHP Efrain Nieves assigned to Tiburones de Aguadilla. |
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02/01/2016 | LHP Efrain Nieves assigned to Puerto Rico. |
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03/24/2015 | Texas Rangers released LHP Efrain Nieves. |
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03/06/2015 | LHP Efrain Nieves assigned to Texas Rangers. |
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12/05/2014 | LHP Efrain Nieves assigned to Team Figueroa. |
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12/02/2014 | LHP Efrain Nieves assigned to Round Rock Express. |
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11/21/2014 | Texas Rangers signed free agent LHP Efrain Nieves to a minor league contract. |
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11/20/2014 | Texas Rangers signed free agent LHP Efrain Nieves to a minor league contract. |
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10/24/2014 | LHP Efrain Nieves assigned to Criollos de Caguas. |
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10/24/2014 | Criollos de Caguas placed LHP Efrain Nieves on the reserve list. |
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07/17/2014 | Dunedin Blue Jays activated LHP Efrain Nieves from the temporarily inactive list. |
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07/14/2014 | Dunedin Blue Jays placed LHP Efrain Nieves on the temporarily inactive list. |
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04/01/2014 | LHP Efrain Nieves assigned to Dunedin Blue Jays from Blue Jays Extended Spring Training. |
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05/18/2013 | LHP Efrain Nieves assigned to Blue Jays Extended Spring Training. |
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05/17/2013 | LHP Efrain Nieves assigned to Lansing Lugnuts from Dunedin Blue Jays. |
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05/03/2013 | Efrain Nieves roster status changed by Dunedin Blue Jays. |
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04/25/2013 | Dunedin Blue Jays placed LHP Efrain Nieves on the 7-day disabled list retroactive to April 23, 2013. |
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04/04/2013 | LHP Efrain Nieves assigned to Dunedin Blue Jays from Buffalo Bisons. |
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02/27/2013 | LHP Efrain Nieves assigned to Puerto Rico. |
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01/31/2013 | LHP Efrain Nieves assigned to Puerto Rico. |
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12/06/2012 | Buffalo Bisons claimed Efrain Nieves off waivers from Connecticut Tigers. |
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06/16/2012 | Efrain Nieves assigned to Connecticut Tigers. |
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04/24/2012 | Detroit Tigers signed free agent LHP Efrain Nieves to a minor league contract. |
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03/26/2012 | Brevard County Manatees released LHP Efrain Nieves. |
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10/31/2011 | LHP Efrain Nieves assigned to Criollos de Caguas. |
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04/07/2011 | LHP Efrain Nieves assigned to Brevard County Manatees from Wisconsin Timber Rattlers. |
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10/22/2010 | LHP Efrain Nieves assigned to Senadores de San Juan. |
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09/04/2010 | Efrain Nieves roster status changed by Wisconsin Timber Rattlers. |
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09/01/2010 | Wisconsin Timber Rattlers placed LHP Efrain Nieves on the temporarily inactive list. |
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|
08/03/2010 | Wisconsin Timber Rattlers activated LHP Efrain Nieves from the temporarily inactive list. |
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07/15/2010 | Wisconsin Timber Rattlers placed LHP Efrain Nieves on the temporarily inactive list. |
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02/01/2010 | LHP Efrain Nieves assigned to Puerto Rico. |
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11/11/2009 | LHP Efrain Nieves assigned to Lobos de Arecibo. |
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09/08/2009 | Wisconsin Timber Rattlers activated LHP Efrain Nieves from the temporarily inactive list. |
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08/31/2009 | Wisconsin Timber Rattlers placed LHP Efrain Nieves on the temporarily inactive list. |