Stolmy Ramon Pimentel (born February 1, 1990) is a Dominican professional baseball pitcher in the Pittsburgh Pirates organization. He was born in San Cristóbal, Dominican Republic.
Minor league career 
He was signed by the Red Sox as an international free agent on July 2, 2006 as a 16 year old. He made his debut the next season with the DSL Red Sox, going 3-1 with a 2.90 ERA in 13 starts. He made the trip to America for the 2008 season, playing it with Low-A Lowell, going 5-2 with a 3.14 ERA in 11 starts. He played 2009 with Single-A Greenville, going 10-7 with a 3.82 ERA in 23 starts. He played 2010 with High-A Salem going 9-11 with a 4.06 ERA in 26 starts. Despite the worst season of his short career, he was nominated to the All-Star Futures Game facing 2 batters, Logan Morrison and Danny Espinosa, retiring them both. In the offseason, Pimentel signed a one-year, $414,000 deal, protecting him from the Rule V Draft. He started 2011 with Double-A Portland, but he went 0-9 with a 9.12 ERA in 15 starts, leading to a demotion back to Salem. He finished the season 6-13 with a 6.79 ERA in 25 starts. He is listed on the Red Sox 40-man roster, but he has yet to have his MLB debut.
On December 26, 2012 the Red Sox traded him (along with Mark Melancon, Jerry Sands and Iván DeJesús, Jr.) to the Pittsburgh Pirates for Brock Holt and Joel Hanrahan.
Scouting report 
Pimentel has 4 pitches: a four-seam fastball, a 12-6 curveball, a changeup and a two-seam cut fastball. His four-seamer ranges from 92-95, his cutter is 89-92, his curve around the low 70s, and his changeup around 78-82. He is an aggressive pitcher.
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