In college baseball, Lorenzen was a pitcher and outfielder for the Cal State Fullerton Titans. The Reds selected Lorenzen in the first round of the 2013 MLB draft, and he made his MLB debut with the Reds in 2015. Lorenzen signed with the Los Angeles Angels for the 2022 season and with the Tigers before the 2023 season. He was named an MLB All-Star in 2023.
The Tigers traded Lorenzen to the Phillies prior to 2023 season trade deadline, where he threw a no-hitter. He signed with the Rangers for the 2024 season.
The Reds invited Lorenzen to spring training as a non-roster invitee in 2014.[9] He pitched for Pensacola in 2014, started 24 games, and pitched to a 4–6 win–loss record and a 3.13 ERA in 120+2⁄3innings pitched. He tried out for the Reds in spring training in 2015 as a relief pitcher,[10] but was reassigned to the minor leagues before the start of the season.[11] He started the 2015 season with the Louisville Bats. The Reds promoted Lorenzen to the major leagues to start on April 29.[12]
Lorenzen made his major league debut on April 29, 2015, pitching five innings against the Milwaukee Brewers. He gave up eight hits, including three home runs, walked one and struck out five, and was credited with the 8–3 loss.[13] He stayed with Cincinnati before being optioned to Louisville on August 14. He was recalled by the Reds on August 31. In 27 games (21 starts) for the Reds, he was 4–9 with a 5.40 ERA, and in six starts for Louisville, he was 4–2 with a 1.88 ERA.[14]
During spring training in 2016, he was diagnosed with a sprainedulnar collateral ligament in his right elbow,[15] and he did not return until mid-June. He pitched out of the bullpen for Cincinnati upon his return, and he finished the year with a 2–1 record and a 2.88 ERA in 35 relief appearances. In 2017, he was 8–4 with a 4.45 ERA in 70 appearances in relief.
Lorenzen was called up to pinch-hit in the seventh inning of a June 30, 2018, game against the Milwaukee Brewers, and hit a grand slam off pitcher Jacob Barnes. It was Lorenzen's third home run of the 2018 season.[16]
During the 2018–2019 offseason, Lorenzen worked extensively as an outfielder and stated he had eagerness and desire for the transition to a two-way player.[17] On September 4, 2019, Lorenzen became the second player in baseball history to hit a home run, earn the win as the pitcher, and play in the field in the same game when the Reds defeated the Phillies, 8–5. The other player to achieve the feat was Babe Ruth on June 13, 1921.[18] In 2020 for the Reds, Lorenzen pitched in 18 games, registering a 3–1 record and a 4.28 ERA with 35 strikeouts in 33+2⁄3 innings of work.[19]
On April 14, 2021, Lorenzen was placed on the 60-day injured list with a shoulder strain.[20] On July 17, Lorenzen was activated off of the injured list.[21]
Los Angeles Angels
On November 30, 2021, Lorenzen signed a one-year contract with the Los Angeles Angels worth $6.75 million.[22] Lorenzen sought to sign with a team that would allow him to start games and picked the Angels out of several offering teams because of his childhood in the Anaheim area.[23] He made his Angels debut on April 11, 2022, starting the game and pitching 6 innings with 2 hits and 1 earned run allowed while striking out 7 against the Miami Marlins.[24]
On May 1, 2022, Lorenzen made his longest career start against the Chicago White Sox, giving up 3 runs in 8+1⁄3 innings of work.[25] On July 7, the Angels placed Lorenzen on the 15-day injured list due to a strain in his right shoulder. An MRI found that there was no structural damage from the injury.[26] He was later transferred to the 60-day injured list,[27] and was activated on September 9. In 18 starts, Lorenzen finished the season with an 8–6 record, posting a 4.24 ERA with 85 strikeouts.
Detroit Tigers
On December 20, 2022, Lorenzen signed a one-year contract with the Detroit Tigers worth $8.5 million.[28] Lorenzen started the season on the injured list with a left groin strain.[29] He was activated off the injured list on April 15, 2023, to make his Tigers debut starting against the San Francisco Giants.[30] Lorenzen was selected to represent the Tigers at the 2023 MLB All-Star Game.[31] He posted a 3.58 ERA in 18 starts for Detroit.
Philadelphia Phillies
On August 1, 2023, Lorenzen was traded to the Philadelphia Phillies in exchange for prospect Hao-Yu Lee.[32][33] On August 9, in his first home start as a Phillie, with his mother, wife, and daughter in attendance, Lorenzen threw a no-hitter in a 7–0 win over the Washington Nationals. The no-hitter was the 14th in Phillies franchise history, and the first since Cole Hamels in 2015.[34] Lorenzen struggled after the no-hitter, posting a 5.51 ERA in 11 games for Philadelphia. He became a free agent following the season.
Texas Rangers
On March 22, 2024, Lorenzen signed a one-year, $4.5 million contract with the Texas Rangers.[35] In 19 games (18 starts) for the Rangers, Lorenzen compiled a 5-6 record and 3.81 ERA with 75 strikeouts across 101+2⁄3 innings pitched.
Kansas City Royals
On July 29, 2024, Lorenzen was traded to the Kansas City Royals in exchange for Walter Pennington.[36] In 7 games (6 starts) for the Royals, he posted a 2-0 record and 1.57 ERA with 22 strikeouts across 28+2⁄3 innings pitched.[37]
On January 8, 2025, Lorenzen re-signed with the Royals on a one-year, $7 million contract.[38]
Personal life
Lorenzen has three older brothers: Jonathan, Matthew, and Anthony. Jonathan played professionally and Matthew played college baseball at Cypress and Fullerton Colleges.[1][39]
Both of Lorenzen's parents struggled with drugs and alcohol and frequently fought, with Lorenzen stating that police would show up at his house "almost every single weekend."[40] Lorenzen began experimenting with drugs and alcohol in eighth grade, but stopped when he was 17 after a man read him the Gospel.[41][42] He is now a devout Christian.[43][41] He has Galatians2:20[broken anchor] tattooed on his left arm.[44][45]
Lorenzen's father died in August 2016. In his first game back from the bereavement list on August 19, 2016, he hit his first career home run and dedicated it to his father.[46]
Lorenzen and his wife, Cassi, married in November 2016.[47] They have a daughter, named June, born in 2023.[48]
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