Hinojosa played for the Indios de Guantánamo of the Cuban National Series from 2005 through 2012. As a 19-year-old rookie, he posted a 2–6 record with a 6.25 earned run average for Guantánamo in the 2005–2006 season. He then went 4–7 with a 4.83 ERA in 2006–2007, followed with a 1–2 mark and a 6.44 ERA in 2007–2008.[1]
Hinojosa improved to 7–4 with a 3.61 ERA in 2008–2009, which included one shutout and 48 strikeouts in 87 innings, while tying for sixth in the Cuban Series with four complete games. After that, he was 9–6 with a 4.07 ERA in 2009–2010, ending fourth in the league with 99 strikeouts, trailing only Vladimir García, Odrisamer Despaigne and Yulieski González. Besides, he posted career numbers in starts (18) and innings pitched (126), while tying for the lead with six complete games, even with Maikel Folch, Norberto González, Fidel Romero, and the aforementioned González.[1]
Hinojosa followed with two strong seasons in Cuba, going 8–4 with a 3.56 ERA in 2010–2011 and 9–7, 3.40 in 2011–2012. He only made two appearances in 2012–2013, ending 1–1 with a 5.40 ERA in just 81⁄3 innings.[1] He defected from Cuba in February 2013 and petitioned Major League Baseball to become a free agent.[3]
Hinojosa made 41 relief appearances at Pawtucket, and despite struggling early, he turned his year around by posting a 1.57 ERA in his final 23 innings of work. Overall, he finished with a 3–5 record and a 3.79 ERA in 612⁄3 of work. He opened 2015 at Pawtucket, where he went 1–0 with a 3.68 ERA (3 ER/71⁄3 IP) and nine strikeouts in four games before being promoted to the Red Sox on April 29.[9]
After the game, Hinojosa was optioned back to Pawtucket in order to make room on the 25-man roster for infielder Luis Jiménez[11] and then was designated for assignment on July 11, when the Red Sox made room for Brian Johnson on their 40-man roster.[12]
Philadelphia Phillies
Hinojosa was claimed off waivers by the Philadelphia Phillies on July 15, 2015.[13] After playing 2 weeks with the Class AAA Lehigh Valley IronPigs, he was recalled to the majors on July 31 making his National League debut the same day.[14][15] On April 28, 2016, in his last MLB appearance against the Washington Nationals, Hinojosa suffered an injury to his pitching hand after nationals center fielder, Matt den Dekker hit a line drive to the mound during the 8th inning.[16] Hinojosa exited the game and was sent onto the disabled list for rehabilitation.[17] Hinojosa later missed the rest of the season with a persistent shoulder injury.[18] He was released from his minor league contract on May 17, 2017.[19]
Retirement
On March 1, 2018, Hinojosa announced his retirement.[20]