Married Jhilaris Bautista … Instagram: @rlopez_40 ... Graduated in 2012 from Pedro Luis Santana Coromina High School in San Pedro de Macorís, Dominican Republic … enjoys Christian music and dancing.
Made 22 starts with Class AAA Charlotte and eight with the White Sox in his first season in the organization ... Recorded five quality starts and threw at least 6.0 IP in seven of his eight starts with the Sox … averaged 2.64 walks per 9.0 IP (14 BB/47.2 IP), down from 4.50 with the Nationals in 2016 ... Posted a 3.56 ERA (12 ER/30.1 IP) in five starts at home and a 6.75 mark (13 ER/17.1 IP) over three road outings … three of his eight starts came against Kansas City ... Went 3-0 with a 4.62 ERA (13 ER/25.1 IP) over his final four starts, compared to 0-3 with a 4.84 ERA (12 ER/22.1 IP) and 21 strikeouts over his first four … received an average of 11.37 runs of support during the winning streak (32 runs), up from 3.22 in his first four outings ... Was recalled from Charlotte on 8/11 and made his White Sox debut that night in a start vs. Kansas City … received a no decision after allowing two runs (both solo homers) with six strikeouts over 6.0 IP ... Suffered his first loss with the Sox on 8/17 at Texas, allowing six runs over 4.1 IP before exiting with soreness on his right side ... Was placed on the disabled list on 8/19 (retro to 8/18) with a back strain … was reinstated on 9/1 … made the start that night vs. Tampa Bay (L; 3 ER/6.0) ... Suffered his third loss on 9/6 vs. Cleveland despite holding the Indians to one run on six hits over 6.0 IP … earned his first win with the White Sox on 9/11 at Kansas City (3 ER/6.0 IP) ... Worked a career-high tying 7.0 IP (4 ER) in a win on 9/16 at Detroit … allowed three runs in the second before limiting the Tigers to one run on five hits over his final 5.0 IP ... Made his final start on 9/27 vs. the Angels (ND; 4 ER/6.0 IP) ... At the time of his promotion from Charlotte, ranked among the International League leaders in strikeouts per 9.0 IP (3rd, 9.7), opponents average (3rd, .220), strikeouts (T3rd,131) and IP (7th, 121.0) ... Struck out 10-plus batters on four occasions: 4/11 at Durham (10 SO/5.1 IP), 6/29 vs. Columbus (11 SO/6.2 IP), 7/16 vs. Gwinnett (12 SO/7.0 IP) and 7/26 vs. Columbus (10 SO/5.0 IP) ... Was named the White Sox Minor League Pitcher of the Month for July after posting a 2.10 ERA (7 ER/30.0 IP) with 38 strikeouts and a .183 (20-109) opponents average over five starts ... Allowed two earned runs or less in seven of his final eight starts with Charlotte from 6/29-8/6 before being recalled ... Entered the season ranked by Baseball America as the No. 3 Prospect in the White Sox organization and No. 31 in baseball … is rated by MLB.com as the No. 4 Prospect in the Sox system, No. 38 in baseball and the No. 9 right-handed pitching prospect ... Entered the season ranked by Baseball America as the No. 3 Prospect in the White Sox organization and No. 31 in baseball … was rated by MLB.com as the No. 4 Prospect in the Sox system, No. 38 in baseball and the No. 9 right-handed pitching prospect.
Combined to go 5-7 with a 3.21 ERA (39 ER/109.1 IP) and 126 strikeouts over 19 starts between Class AA Harrisburg and Class AAA Syracuse … averaged 10.4 strikeouts per 9.0 IP while holding opponents to a .220 (90-410) average. Began the season with Harrisburg, where he went 2-1 with a 1.60 ERA (6 ER/33.2 IP) and 56 strikeouts over his last six starts … struck out 10-plus batters in four of the six starts, including a career-high 13 each on 6/8 vs. Hartford and 6/19 vs. Reading. Threw 8.0 scoreless IP with 10 strikeouts on 6/25 at New Hampshire to earn a promotion to Syracuse … made his Chiefs debut on 6/30 at Rochester, allowing one run on three hits over 6.0 IP. His contract was purchased from Syracuse on 7/19 … made his major-league debut that night vs. the Dodgers, allowing six runs on 10 hits with nine strikeouts over 4.2 IP … the nine strikeouts were the second-most by a pitcher in his Nationals debut behind Stephen Strasburg's 14 on 6/8/10 vs. Pittsburgh. Was optioned back to Syracuse following the start and recalled again on 7/30 … made his second start that night at San Francisco (ND, 3 ER/4.0 IP) … was optioned back to the Chiefs following the start and recalled a third time on 8/13. Earned his first major-league victory on 8/13 vs. Atlanta, allowing one run on five hits over 7.0 IP … struck out 11 batters over 7.0 IP on 8/18 at Atlanta, becoming just the fourth rookie in Nationals history to fan 10-plus in a game. Was optioned to Syracuse on 8/30 and recalled for the fourth and final time on 9/4 … his final five outings came out of the bullpen … threw 3.0 scoreless IP in relief on 9/12 vs. the Mets and 5.1 scoreless IP on 9/24 at Pittsburgh. Entered the season rated by Baseball America as the No. 5 Prospect in the Nationals system and No. 93 in baseball. Sox acquisition was recommended by John Tumminia.
Spent the entire season with Class A Potomac … averaged 8.5 strikeouts and 0.45 home runs (5 HR) per 9.0 IP ... Opened the season with a streak of 13.0 consecutive scoreless IP over his first three starts and posted a 0.56 ERA (1 ER/16.0 IP) with 21 strikeouts over his final three ... Named Carolina League Pitcher of the Week for 8/10-16 after striking out 11 over 7.0 scoreless IP on 8/12 vs. Winston-Salem ... Was ranked by Baseball America as the No. 4 Prospect in the Carolina League following the season.
Combined to go 7-3 with a 1.08 ERA (10 ER/83.1 IP), 70 strikeouts and a .149 (42-281) opponents average over 16 starts between Advanced Rookie Auburn and Class A Hagerstown ... Recorded a 0.27 ERA (2 ER/66.2 IP) over his final 12 starts of the season … did not allow an earned run over eight straight starts from 7/9-8/19 (48.1 IP) ... Went 4-0 with a 0.23 ERA (1 ER/39.2 IP) over seven starts in the second half and 3-0 with a 0.00 ERA (23.0 IP) over four home starts, allowing six hits ... Was named the New York-Penn League Pitcher of the Week for 6/23-29 after throwing 5.2 scoreless with eight strikeouts on 6/23 vs. Batavia ... Following the season, was rated by Baseball America as the No. 3 Prospect in the South Atlantic League and the No. 2 Prospect in the NYPL.
Made one start each at Auburn and Hagerstown.
Made his professional debut with five relief appearances in the Dominican Summer League.