Joined SD on a Minor League deal for 2024 after spending the last seven years in the Chicago Cubs organization...Made 17 Major League appearances with the Cubs in 2022-23, owning a 5.51 ERA (10 ER, 16.1 IP) with 21 strikeouts against 15 walks...In 2022, the year he made his Major League debut, Estrada recorded the five fastest pitches thrown by Cubs pitchers that season. All four-seam fastballs registered at 98.8, 98.8, 98.5, 98.4 and 98.1 miles per hour, respectively...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.
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.