Kelvin Pérez (minors01)
- Bats Right, Throws Right
- Height 6' 1", Weight 154 lb.
He was signed by the New York Yankees and made his pro debut with the 2005 DSL Yankees 2 (1-3, 5.45, 28 BB in 36 1/3 IP).  The next year, he was on the champion DSL Yankees 1, going 7-2 with a 3.18 ERA and 52 K in 51 IP. He tied for 8th in the Dominican Summer League in ERA. His control continued to improve - by 2007, he was very sharp (9 BB in 38 IP) for the GCL Yankees, posting a 5-3, 2.84 record. He tied for 9th in the Gulf Coast League in wins. He then had elbow surgery. 
The right-hander split 2008 between the GCL Yankees (0-2, 4.08) and Tampa Yankees (1 R in 1 IP). In '09, he was with the GCL Yankees (2-0, 1 R in 6 IP) and Staten Island Yankees (3-2, 2.06). With the 2010 Charleston RiverDogs, he went 5-5 with a 3.18 ERA. He split 2011 between Charleston (0-4, 8 Sv, 4.66 in 39 G) and Tampa (Sv, 6.43 in 8 G). In 2012, he was with dazzling for the AA Trenton Thunder (6-1, 4 Sv, 1.14 in 41 G) and made it to AAA with the Scranton/Wilkes-Barre Yankees (1-2, 3.77 in 7 G). He pitched that winter for both the Gigantes del Cibao in the Dominican (1-2, 3.52 in 19 G) and the Venados de Mazatlán in Mexico (1 shutout inning).
Things did not go as smoothly in 2013. He struggled with Scranton/Wilkes-Barre (0-4, 9.00 ERA, 2.28 WHIP in 18 IP) and was okay with Trenton (0-1, 2.87 in 9 G). The Yankees let him go and he was signed by the Detroit Tigers.  He was 1-1 with a 6.43 ERA for the Erie SeaWolves. He did fine in winter ball for the Gigantes (5 H, 1 R in 9 IP).
In 2014, he moved on to the Mexican League's Acereros de Monclova, going 0-2 with a 2.45 ERA in nine outings. He pitched 1 1/3 shutout innings for the 2014-2015 Estrellas Orientales. In '15, he was 1-1 with a 7.71 ERA in three starts for Monclova to end his decade in the minor leagues. He relieved Kelvin Jiménez with a 3-3 tie against Puerto Rico in the 4th. He worked two shutout innings as the Dominicans built a 6-3 lead but gave up three in the 6th and was removed. He started against Colombia and allowed one run in five (a solo homer by Harold Ramírez; Luis Liria got the save for Kelvin's win. Only Claudio Vargas worked more innings for the Dominicans in the event.