Tyson Marcus Miller (born July 29, 1995) is an American professional baseball pitcher in the Chicago White Sox organization. He has previously played in Major League Baseball (MLB) for the Chicago Cubs, Texas Rangers, Milwaukee Brewers, Los Angeles Dodgers, New York Mets, and Seattle Mariners.
Miller attended Shadow Hills High School in Indio, California. In 2013, as a senior, he has a 6âÂÂ0 winâÂÂloss record with a 0.19 earned run average (ERA) as a pitcher for the school's baseball team. He was not drafted in the 2013 MLB draft, and enrolled at California Baptist University, where he played college baseball. In 2014, his freshman year, he appeared in 13 games (ten starts), going 7âÂÂ1 with a 2.63 ERA, and in 2015, as a sophomore, he went 7âÂÂ3 with a 3.32 ERA in 14 games (13 starts), earning a spot on the Pacific West Conference Second Team. After the 2015 season, he played collegiate summer baseball with the Brewster Whitecaps of the Cape Cod Baseball League. As a junior in 2017, Miller pitched to a 9âÂÂ3 record with a 2.27 ERA in 16 games (15 starts). He was named to the PacWest First Team.
After the season, he was drafted by the Chicago Cubs in the fourth round of the 2016 MLB draft. Miller signed with Chicago and spent his first professional season with the Arizona League Cubs and Eugene Emeralds, going 2âÂÂ1 with a 3.14 ERA in innings.
In 2017, Miller spent the season with the South Bend Cubs, pitching to a 6âÂÂ7 record and a 4.48 ERA in 28 games (twenty starts), and 2018 with the Myrtle Beach Pelicans, going 9âÂÂ9 with a 3.54 ERA in 23 starts.
In 2019, Miller started the season with the Tennessee Smokies and was promoted to the Iowa Cubs in July. Over 26 starts between both teams, Miller went 7âÂÂ8 with a 4.35 ERA, striking out 123 over innings. Following the season, he was added to Chicago's 40-man roster.
On August 17, 2020, Miller was promoted to the major leagues, and made his MLB debut that day against the St. Louis Cardinals, pitching two innings and giving up two runs. He finished his rookie season with a 5.40 ERA in two games.
Miller was assigned to the Triple-A Iowa Cubs to begin the 2021 season. He struggled to a 5.06 ERA before being designated for assignment on May 30, 2021.
On June 4, 2021, Miller was claimed off waivers by the Texas Rangers. He was assigned to the Triple-A Round Rock Express, and made one appearance for the team, allowing two runs in three innings of work. On June 18, Miller was designated for assignment without appearing in a game for Texas. He was outrighted on June 20.
On June 10, 2022, Texas selected Miller's contract as a COVID-19 replacement player. In his only appearance, against the Houston Astros, Miller took the loss after allowing six runs on four hits and two walks in two-thirds of an inning. On June 15, he was removed from the 40-man roster and returned to Triple-A Round Rock. He had his contract selected on September 11. On September 27, Miller relieved Jesús Tinoco in a game against the Seattle Mariners, and tossed scoreless innings to earn his first career win.
On November 11, 2022, Miller was claimed off waivers by the Milwaukee Brewers. Miller was optioned to the Triple-A Nashville Sounds to begin the 2023 season. In seven games for Milwaukee, he logged a 5.79 ERA with seven strikeouts in innings of work. On July 8, 2023, Miller was designated for assignment by the Brewers.
On July 12, 2023, Miller was traded to the Los Angeles Dodgers in exchange for cash considerations. He pitched in one game for the Dodgers and two games for the TripleâÂÂA Oklahoma City Dodgers before he was designated for assignment on August 2.
On August 4, 2023, Miller was claimed off waivers by the New York Mets. Miller made only one appearance for the team, tossing two scoreless innings against the Pittsburgh Pirates. On August 23, the Mets designated Miller for assignment.
On August 27, 2023, Miller was claimed off waivers by the Dodgers. He appeared in one game during this stint with the team, pitching two scoreless innings against the Arizona Diamondbacks on August 29 before being designated for assignment again the next day. Miller cleared waivers and was sent outright to TripleâÂÂA on September 1. Between his two stints with Oklahoma City in 2023, he appeared in nine games and allowed three runs in 16 innings. On October 4, Miller elected free agency.
On November 10, 2023, Miller signed a minor league contract with the Seattle Mariners. After four appearances for the TripleâÂÂA Tacoma Rainiers, he was selected to the major league roster on April 8, 2024. In 9 games for Seattle, Miller logged a 3.09 ERA with 12 strikeouts across innings pitched. On May 10, Miller was designated for assignment by Seattle.
On May 13, 2024, the Mariners traded Miller to the Chicago Cubs in exchange for third baseman Jake Slaughter. In 49 appearances out of the bullpen for Chicago, he compiled a 5-1 record and 2.15 ERA with 42 strikeouts and one save across innings pitched.
Miller began the 2025 campaign on the injured list due to a hip impingement. He was transferred to the 60-day injured list on May 13, 2025. On June 5, Miller was activated from the injured list and subsequently designated for assignment. He cleared waivers and was sent outright to the Triple-A Iowa Cubs on June 11. Miller elected free agency on October 3.
On January 15, 2026, Miller signed a minor league contract with the Chicago White Sox.