Reid Kristien Detmers (born July 8, 1999) is an American professional baseball pitcher for the Los Angeles Angels of Major League Baseball (MLB).
Detmers was born in Nokomis, Illinois, and attended Nokomis High School as well as Glenwood High School, lettering in baseball for four seasons between the two schools.
He played college baseball at the University of Louisville for three seasons, earning Atlantic Coast Conference and national accolades by his sophomore season.
In his junior year, Detmers was considered one of the top prospects for the MLB draft.
Reid Kristien Detmers was born on July 8, 1999, in Nokomis, Illinois, to Kris and Erica Detmers.
Kris was a pitcher who spent several seasons in the St. Louis Cardinals' minor league system and was with the Triple-A Memphis Redbirds at the time of Reid's birth.
Reid grew up around baseball, collecting signed baseballs from players that his father was teammates with in the minor leagues.
2011
In his childhood, he was a fan of the Cardinals, citing David Freese's performance in the 2011 World Series as a formative moment in his fandom.
Detmers originally attended Nokomis High School.
He made the varsity baseball team as a freshman and was named All-Prairie State Conference all three years he was on the team.
He committed to attend the University of Louisville going into his junior season over offers from Vanderbilt, Kentucky, Illinois, Indiana, and Missouri.
As a junior, Detmers was named first-team All-State after posting an 8–1 win–loss record with a 1.16 earned run average (ERA) and striking out 117 batters.
Following the season, Detmers' family moved to Chatham, Illinois, after his mother started a new job and he transferred to Glenwood High School for his senior year.
Detmers went 9–1 with a 0.84 ERA and 153 strikeouts as a senior and was again named first-team All-State and was named a Medium School All-American by MaxPreps.
2017
Detmers was selected by the Atlanta Braves in the 32nd round of the 2017 Major League Baseball draft, but opted not to sign.
After graduating high school and forgoing his late-round 2017 draft selection, Detmers honored his commitment to play college baseball for the Louisville Cardinals.
He went 4–2 with a 4.85 ERA and 69 strikeouts in 55 2⁄3 innings pitched as a freshman.
He spent the following summer playing for the Brewster Whitecaps of the Cape Cod Baseball League, where he focused on correcting his mechanics.
In seven games, Detmers went 1–3 with a 4.55 ERA and 29 strikeouts.
He was named East Division MVP at the league's All-Star Game.
Detmers was named the Cardinals' Friday night starter going into his sophomore year.
He finished the season with 2.78 ERA and 167 strikeouts in 113 1⁄3 innings and tied the school record for wins in a season with 13 to four losses and was named the Atlantic Coast Conference's (ACC) Pitcher of the Year, first-team All-ACC, a first-team All-American by the American Baseball Coaches Association and the National Collegiate Baseball Writers Association.
2019
In 2019, He was selected for the United States collegiate national team.
2020
He was selected tenth overall by the Angels in the first round of the 2020 draft and signed with the team, forgoing his final year of college eligibility.
After pitching only 14 games in the Angels farm system, Detmers was promoted to the major leagues in August 2021.
He made the 2022 Opening Day roster with his rookie eligibility still intact.
On May 10, 2022, Detmers threw a no-hitter, becoming the youngest pitcher in Angels history to do so.
On July 31, 2022, he threw an immaculate inning, joining Mike Fiers and hall-of-famer Sandy Koufax as the only pitchers to throw both a no-hitter and an immaculate inning in the same season, and the only member of the group to do so as a rookie.
Detmers entered his junior season on the watch list for the Golden Spikes Award and as a top prospect for the 2020 Major League Baseball draft.
He went 4–0 with a 1.23 ERA and 48 strikeouts in 22 innings pitched before the season was cut short due to the coronavirus pandemic.
He was named a first-team All-American by the Collegiate Baseball Newspaper.
The Los Angeles Angels selected Detmers in the first round, with the 10th overall selection, in the 2020 Major League Baseball draft.
He signed with the Angels on June 28 for a $4.67 million signing bonus.
Detmers was assigned to the Double-A Rocket City Trash Pandas at the beginning of the 2021 minor league season.
In June 2021, Detmers was selected to play in the All-Star Futures Game.
He was promoted to the Triple-A Salt Lake Bees after posting 3.50 ERA with 97 strikeouts against 18 walks in 54 innings with the Trash Pandas.
In his only start for the Bees, on July 24, Detmers allowed only three hits in six scoreless innings while striking out nine in a 6–0 victory over Las Vegas.
On August 1, 2021, the Angels selected Detmers' contract to make his MLB debut against the Oakland Athletics at Angel Stadium.
In his first three batters faced, he recorded an out against Mark Canha, walked Starling Marte, and struck out Matt Olson.
The first hit Detmers gave up was a Ramón Laureano single in the second inning.