His all-time favorite baseball player is fellow Dominican right-hander Pedro Martinez.
Invited to Major League Spring Training but did not appear in a game...did not appear on the Padres' 60-man player pool during the regular season.
Began the season on the 10-Day Injured List recovering from right knee surgery…sustained a torn meniscus in Spring Training (February) during a bullpen session and transferred to the 60-Day IL on May 1 before beginning a rehab assignment with Amarillo (AA) on May 5...Went 2-1 with a 4.37 ERA (11 ER, 22.2 IP) in 6 games (4 starts) with AMA, limiting hitters to a .236 clip with 33 SO against 8 BB…as a starter, he went 0-1 with a 1.98 ERA (3 ER, 13.2 IP) with 19 SO and a .212 opponent AVG...Reinstated from the 60-Day IL on June 5 and made his season debut vs. PHI, tossing 1.0 scoreless inning with just 1 hit allowed and 1 SO...Went on to make 5 relief appearances for SD, 4 of which he held opponents scoreless…in what would be his final ML outing of the season on June 14 at COL, he allowed 5 ER on 9 hits and 1 BB in 0.2 IP...Tossed more than 1.0 IP in 3 of his 5 outings, including a season-high 2.0 IP on June 7 vs. WSH...Righties went 4-for-18 (.222) while lefties went 5-for-8 (.625)...opponents went just 3-for-18 (.167) with runners on base...Optioned to El Paso (AAA) and was placed on the 7-Day IL on July 1...eventually transferred to the 60-Day IL on July 21 as he was recovering from season-ending left knee surgery...Relied on 4 pitches: four-seamer (52.9%), slider (22.5%), changeup (12.7%) and curve (11.8%).
Split the season between San Antonio (AA), El Paso (AAA) and SD…went 1-0 with a 4.82 ERA (10 ER, 18.2 IP) in 11 relief appearances with the Padres...Began the season with SA and was transferred to ELP on 5/18...Assigned to SA on 6/13 before being recalled by SD on 7/8… optioned the next day to SA before being recalled by SD on 8/17, remaining with the big-league club for the rest of the season...Went 5-2 with a 2.35 ERA (17 ER, 65.0 IP) in his 19 appearances (nine starts) for the Missions…limited the opposition to a .195 average while also converting his two save opportunities...Posted an 0-3 record with an 8.10 ERA (12 ER, 13.1 IP) and a .304 opponent average in his five appearances (two starts) for ELP...In his season debut with SD on 7/8 at ARI, struck out five in his 2.0 IP…Craig Stammen also struck out five in his 2.0 IP on 7/15 at CHC...the last Padre to strike out at least five in 2.0 IP-or-less was Tyson Ross in 2013 on 6/9 at SF (1.2 IP)...Allowed at least one run in his next six relief appearances for SD from 8/17-9/7, posting a 7.36 ERA (9 ER, 11.0 IP) and a .289 opponent average... Allowed just two hits and one run across his final four outings from 9/15-28, owning a 1.59 ERA (1 ER, 5.2 IP) and a .111 opponent average.. Earned his second big league win on 9/26 at SF, tossing 2.0 IP of hitless ball in SD's 3-2 victory...Posted a 3.55 road ERA (5 ER, 12.2 IP) compared to a 7.50 mark (5 ER, 6.0 IP) at home...Limited lefties to a .188 (6-for-32) average while righties hit .256 (10-for-39)...Limited leadoff hitters to a .125 clip (2-for-16)...Opponents hit .188 (6-for-32) against him with runners on base, .143 (3-for-21) with RISP and .077 (1-for-13) with RISP/2 out...Relied on five pitches: four-seamer (53.6%), slider (23.9%), changeup (20.5%), sinker (1.7%) and curve (0.3%).
Acquired by SD in the 2016 Rule 5 Draft and spent the entire season on the Padres Major League roster, appearing in 31 games (three starts)...Selected by MIN from MIL first overall in the Major League Phase of the 2016 Rule 5 Draft and then acquired by SD from MIN in exchange for RHP Justin Haley and cash on 12/8/16...Made his MLB debut on 4/3 at LAD, tossing 1.1 perfect innings in relief with one strikeout...On the season, posted a 1-1 record with a 7.34 ERA (34 ER, 41.2 IP) with 33-to-25 SO/BB ratio...Did not allow a baserunner through his first four games to begin his MLB career, tied for the longest such streak in the majors since data was recorded in 1913...Earned his first ML win on 4/10 at COL...Made his first career start on 6/10 vs. KC, tossing 2.0 IP with one hit, three walks and one strikeout...Diaz made two additional starts on the season on 6/16 at MIL and 6/21 at CHC...Placed on the 10-day DL on 6/23 with a strained right forearm and was transferred to the 60-day DL on 8/26...Sent on a rehab assignment to the AZL Padres (R) on 8/15 and Lake Elsinore (A) on 8/20 before being reinstated on 8/29...his first appearance back from the DL came on 9/5 vs. STL...Following the season, made four relief appearances for Toros del Este of the Dominican Winter League and posted a 7.71 ERA (2 ER, 2.1 IP).
Made 26 appearances, 15 starts, for Single- A Wisconsin of the Brewers' system, going 1-8 with a 3.71 ERA (39 ER, 94.2 IP) and 91 strikeouts against 29 walks while limiting opposing hitters to a .226 (83-for-368) average...In his 15 starts, went 1-6 with a 3.31 ERA (24 ER, 65.1 IP) and 61 strikeouts against 16 walks while limiting the opposition to a .203 (51-for-251) average...Tossed a season-high 6.1 innings of two-run ball on 6/3 vs. Kane County, striking out eight and walking one.
Made seven appearances (five starts) for the AZL Brewers (R), going 0-3 with a 2.21 ERA (5 ER, 20.1 IP) and 23 SO to five BB
Made 13 appearances (five starts) for the AZL Brewers (R), going 4-2 with a 4.21 ERA (22 ER, 47.0 IP) and 53 SO against 20 BB.
Made 11 appearances (nine starts) for the DSL Brewers (R), going 3-2 with a 2.40 ERA (13 ER, 48.2 IP)...Tossed a career-high tying 7.0 innings on two occasions...allowed no runs on just three hits and two walks while striking out five on 7/18 vs. the DSL Jays...allowed two runs on two hits and one walk while striking out three on 8/8 vs. the DSL Yankees.
Made his professional debut for the DSL Brewers (R), making 15 relief appearances and one start with a 4.62 ERA (13 ER, 25.1 IP)...Allowed just one run and four hits over his first six relief outings, posting a 1.00 ERA (1 ER, 9.0 IP).