Signed by Milwaukee as a non-drafted free agent on Dec. 1, 2011...Selected by Minnesota from Milwaukee in the Major League phase of the Rule 5 Draft on Dec. 8, 2016...Acquired by San Diego from Minnesota in exchange for Justin Haley on Dec. 8, 2016... Signed by the Tigers as a Minor League free agent on Nov. 21, 2022.
2023
Pitched for Triple A Toledo for most of the 2023 season, appearing in 49 games...also made 12 outings, including three starts, with the Tigers in September...Finished tied for second in the International League with 14 saves...Did not allow a run in 11 of 12 outings for Toledo in August, going 1-0 with four saves, a 1.54 ERA (11.2IP/2ER) and 18 strikeouts...Made his season debut for the Tigers on Sept. 1 at Chicago (AL), striking out two in a perfect inning of relief...Made his first start of the season on Sept. 17 at Los Angeles (AL), allowing a hit with one walk and one strikeout in a scoreless inning...was his first start since June 19, 2021...Did not allow a run in his first eight outings with the Tigers from Sept. 2-19, throwing 7.1 scoreless innings with five hits allowed, three walks and 10 strikeouts...Picked up his first win of the season on Sept. 27 vs. Kansas City, tossing 2.0 perfect innings of relief and striking out one batter...was his first win in the Majors since July 9, 2021.
2022
Spent most of the 2022 season with Triple A Toledo, appearing in 58 games, which ranked second in the International League...also made three outings for the Tigers at the end of the season... Appeared in 13 games with Toledo during September, finishing the month with seven saves, a 0.66 ERA (13.2IP/1ER) and 22 strikeouts... Made his Tigers debut on Sept. 30 vs. Minnesota, allowing a run on no hits with a walk and a strikeout in 1.1 innings.
2021
Split the 2021 season between San Diego and Triple A El Paso, making 25 appearances, including two starts, with the Padres, and 14 appearances, including two starts, with the Chihuahuas...Eleven of his 25 appearances in the big leagues were 2.0-or-more innings, going 3-0 with a 3.04 ERA in those outings...Pitched in seven games with the Padres in May, posting a 2-1 record with one save, a 0.57 ERA (15.2IP/1ER) and 16 strikeouts...Posted career best scoreless marks in innings pitched (9.2) and appearances (seven) from July 17-Aug. 16.
2020
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.
2019
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%).
2018
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%).
2017
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).
2016
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.
2015
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
2014
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.
2013
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.
2012
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).