Claimed off waivers by the Padres from the Cubs in Nov. 2023 after seven years in the CHC organization, and his 79 appearances (including postseason) from 2024-25 were most on the club...Led all Major League relievers with 108 regular season strikeouts in 2025, and his 202 regular season strikeouts from 2024-25 were fourth-most among all ML relievers, trailing only Mason Miller (208), Bryan Abreu (208) and Cade Smith (207)...Scoreless in five of his six career postseason appearances, which have all come with SD from 2024-25. Is one of nine pitchers in Padres franchise history to own multiple postseason holds, and one of 15 to make at least six postseason appearances...Set the Expansion Era record with 13 consecutive strikeouts across three appearances from May 23-28, becoming the first pitcher to ever strike out 12+ consecutive batters (since the Expansion Era in 1961, when play-by-play data was available). PHI Jose Alvarado's 11 straight strikeouts in April 2023 was previously the Expansion Era record, and Estrada's streak was snapped on May 31 vs. KC on an IBB to Salvador Perez...Struck out all five batters he faced in SD's 5-2 victory vs. NYY on May 26, 2024 (in order: Judge, Verdugo, Stanton, Rizzo, Torres). It was in that outing he retired a franchise-record 10 consecutive batters via the strikeout (previous high was Jake Peavy's nine on April 25, 2007 @ AZ)...Made 78 appearances (three starts) in the Cubs' Minor League system from 2017-23, owning a 5-5 record with 10 saves, a 2.92 ERA and 180 strikeouts against 64 walks...Was part of a combined no-hitter with three other pitchers on June 23, 2021, while at Myrtle Beach, tossing 2.2 innings against the Columbia Fireflies...Missed the majority of the 2021 season with a right elbow injury.
2025
His career-high 77 appearances in 2025 led the team and were fourth-most in the Majors, trailing only Tyler Rogers (81), Tony Santillan (80) and Brendon Little (79)...His career-high 33 holds led the SD pen and ranked tied for third in the Majors with Tony Santillan, trailing only Abner Uribe (38) and Hunter Gaddis (35)...His 108 total strikeouts led all Major League relievers ahead of Bryan Abreu (105), Mason Miller (104) and Cade Smith (104), surpassing his previous career high total of 94 SO in 2024...Struck out at least one hitter in 63 of his 77 outings, and his 13.32 SO/9 IP clip ranked fourth in the Majors, trailing only Mason Miller (15.18), Griffin Jax (13.64) and Fernando Cruz (13.50)...Did not allow an earned run in 61 of his 77 outings and also allowed one hit or fewer in 66 of the 77, including going hitless on 35 occasions...2025 marked his second consecutive Opening Day roster with SD...Allowed five home runs across his first 57 appearances from March 27-Aug. 11 (0.82 HR/9 IP)...Allowed seven home runs across his final 20 appearances of the season (3.44 HR/9)...Earned 18 holds in a 30-appearance stretch from June 14-Aug. 26, including holds in five consecutive appearances from June 19-29...After surrendering a career-high five earned runs on a career high-tying five hits on June 17 @ LAD, posted a career-best 16.2 scoreless-inning streak across his next 17 outings from June 19-July 29…Over the streak, Estrada went 2-0 with one SV, 12 HLD, 0.54 WHIP, .111 BA against and a 22-to-three SO/BB ratio...It was the second-highest scoreless streak among all SD relievers in '25, trailing only Mason Miller's 21.1 consecutive scoreless frames (Aug. 6-Sept. 27)...Struck out five of the six batters he faced Aug. 9 vs. BOS, matching his career-high five SO (three times, last: May 26, 2024 vs NYY)...Opponents went 9-for-71 (.127) this season vs. his chitter (his changeup/splitter pitch, as he has coined it) with a 47.5% whiff rate...Fifty-five of his 108 SO came against his four-seamer, which ranked in the 94th percentile league-wide in fastball velocity (97.9 mph)...Also ranked in the 98th percentile league-wide in K rate (35.5%), 97th percentile in xBA (.192), 96th in whiff rate (34.9%), 93rd in chase rate (33.5%) and 93rd in xERA (2.78).
POSTSEASON: The former Chicago Cub pitched in Games 1 and 3 of the NL Wild Card round vs. CHC at Wrigley Field…Went 0.2 IP and gave up a run on a Nico Hoerner sac fly in G1’s 3-1 defeat; his first ER given up in his fifth career postseason outing...Relieved starter Yu Darvish in the second inning of G3’s 3-1 defeat with two scoreless innings of one-hit ball, striking out two and walking one.
2024
Made his first career Opening Day roster and went on to lead the SD pen in holds (16) while ranking second in wins (6), tied-for-second in games finished (14) and third in appearances (62)...His 13.87 SO/9 IP ratio ranked fourth-highest among all qualifying NL relievers and 7th-highest in the Majors, trailing only CWS Michael Soroka (15.00), OAK Michel Otanez (14.56), OAK Mason Miller (14.40), PIT Aroldis Chapman (14.30), NYM Edwin Diaz (14.19) and CIN Fernando Cruz (14.09)...Set the Expansion Era record with the 13 consecutive strikeouts across three appearances from May 23-28, becoming the first pitcher to ever strike out 12+ consecutive batters (since the Expansion Era in 1961 when play-by-play data was available)...PHI Jose Alvarado's 11 straight outs via strikeouts from April 1-12, 2023 was previously the Expansion Era record...the streak was snapped May 31 vs. KC on an IBB to Salvador Perez...Struck out all five batters he faced in SD's 5-2 victory vs. NYY on May 26 (in order: Judge, Verdugo, Stanton, Rizzo, Torres)...it was in that outing he retired a franchise-record 10 consecutive batters via the strikeout (previous high was Jake Peavy's 9 on April 25, 2007 @ AZ)...Opened the season with SD as the club set their roster for the Seoul Series in Seoul, South Korea…optioned to Triple-A El Paso March 25 prior to SD finalizing their 26-man Opening Series at Petco Park...Recalled April 26 and remained with the big league club for the rest of the season…including his March 20 outing in the Seoul Series vs. LAD, Estrada was scoreless in 14 of his first 15 outings, going 2-0 with one save, three holds, 0.48 ERA, 0.70 WHIP and .113 AVG...Opponents hit .327 (16-for-49) against Estrada in June, .156 (7-for-45) in July and .300 (12-for-40) in August...Went scoreless in 12 of his 13 Sept. outings, owning a 2-1 record with four holds, 0.84 ERA (one ER, 10.2 IP), 0.56 WHIP and just two hits allowed (.057 AVG)…his streaks of consecutive scoreless outings (11) and IP (9.1) from Sept 1-24 were both career highs in a single season...Including Postseason action, allowed one ER across his seven appearances vs. the eventual World Series-champion Los Angeles Dodgers, posting two holds with a 1.35 ERA (one ER, 6.2 IP), 1.50 WHIP and .200 AVG...His 37.3 K% ranked in the 99th percentile (MLB average is 22.2%.)...also ranked in 96th percentile in whiff rate (36.0), 93rd in chase % (33.5%), 92nd in fastball velo (97.2 mph), 96th in xERA (2.56) and 96th in xBA (.190)...Opponents hit .191 (.200 xBA) against his 4-seamer (41 SO, 32.6 whiff%), and .138 (.141 xBA) against his split finger, or as he coined it, his "chitter", along with 36 SO and a 51.0 whiff rate...Posted reverse splits, allowing a .141 AVG and just four XBH (three 2B, one HR) to LHH while RHH batted .220 with eight XBH (five 2B, three HR)...Among all NL relievers that faced at least 140 batters with two strikes, his .122 AVG in such scenarios ranked T-9th with bullpen-mate Yuki Matsui...Limited the first batters he faced to a .173/.290/.327 slash line...With no runners on base, opponents hit .150 (20-for-133)…with runners on base, they hit .242 (22-for-91), including .262 (17-for-65) with RISP, .300 (9-for-30) with RISP/two out and .400 (4-for-10) with the bases loaded.
POSTSEASON: Allowed just one unearned run and posted two holds in his four Postseason appearances...made his Postseason debut in the sixth inning of Game 2 of the NLWC vs. ATL, earning the hold in SD’s 5-4, series-clinching win Oct. 2...Allowed no ER on three hits and one walk while striking out five across his three NLDS appearances... allowed an unearned run across 1.1 IP in SD's 7-5 defeat in Game 1 of the NLDS @ LAD, throwing 14 of his 17 pitches for strikes…struck out two of his three BF for his second hold as the first reliever on in relief of King in SD’s 6-5 NLDS Game 3 win…allowed one hit and one walk across 1.1 scoreless innings in SD's 8-0 defeat in Game 4 of the NLDS.
2023
Split the season between the Cubs Major League squad and Iowa (AAA)...pitched in 12 games in relief for the Cubs, posting a 6.75 ERA (8 ER, 10.2 IP) with 13 strikeouts...Went 1-1 with a 5.97 ERA (19 ER, 28.2 IP) and one save in 26 games with Iowa...Began the season with Iowa, making five-straight scoreless appearances (6.0 IP) from April 1-19...Had two stints with the Cubs, April 21-May 3 and May 15-June 13...Tossed eight scoreless innings in his first seven appearances with the Cubs from April 21-May 23, before allowing runs in four of his final five games with Chicago in 2023...Spent the remainder of the season with Iowa, pitching to an 8.38 ERA (18 ER, 19.1 IP) in 18 games from June 16-September 24...Per Statcast, while with CHC, he relied on four pitches: Four Seamer (84.0%), Slider (13.1%), Changeup (2.5%) and Curveball (0.4%)...Was placed on waivers by the Cubs and claimed by San Diego on Nov. 6, 2023.
2022
Jeremiah made his major league debut in 2022, with his call-up to the majors coming as a replacement player for a three-game series in Toronto Aug. 30 ... allowed one walk and struck out two batters while tossing 17 pitches in the bottom of the eighth inning... Was returned to Triple-A Iowa Aug. 31 and then selected Sept. 1 as rosters expanded... In five games in relief for the Cubs, posted a 3.18 ERA (2 ER/5.2 IP), while striking out eight batters, good for an average of 12.7 strikeouts per 9.0 IP... Held batters to a .100 average (1-for-10) with runners in scoring position... Went 3-2 with a 1.30 ERA (7 ER/48.1 IP), nine saves and five holds in 34 games out of the bullpen with High-A South Bend, Double-A Tennessee and Triple-A Iowa ... struck out 78 of 193 batters faced, compared to 20 walks, for an average of 14.5 strikeouts per nine innings pitched.
2021
Played 11 games for Myrtle Beach (A) in 2021, going 1-1 with a 1.57 ERA (4 ER, 23.0 IP) and striking out 38 batters, compared to six walks, for a 6.33 strikeouts per walk ratio...His season was cut short due to a right elbow injury, after being placed on the injured list Aug. 1.
2020
Did not pitch due to the COVID-19 pandemic.
2019
Appeared in three games (one start) for Eugene (A) in 2019...went 0-1 with a 5.91 ERA (7 ER, 10.2 IP) and 15 strikeouts in 45 batters faced.
