Anthony Seigler

Anthony Seigler (born June 20, 1999) is an American professional baseball infielder for the Boston Red Sox of Major League Baseball (MLB). He has previously played in MLB for the Milwaukee Brewers. He made his MLB debut in 2025.

Amateur career Seigler attended Cartersville High School in Cartersville, Georgia. As a senior, he had a .421 batting average with 14 home runs. He was also a switch pitcher, posting a 1.09 earned run average (ERA) in innings pitched along with 29 strikeouts. He committed to play college baseball for the Florida Gators.

Seigler caught for the U.S. national under-18 team at the 2017 U-18 Baseball World Cup, batting .182 in seven games as the Americans went undefeated.

Professional career New York Yankees Although a switch pitcher and switch hitter with infield and outfield experience, Seigler said "I feel catching is what's going to get me to the next level." Expected to be drafted late in the first round,

He made his professional debut with the rookie-level Gulf Coast League Yankees in 2018. After 12 games, he was promoted to the advanced rookie-level Pulaski Yankees, where he played another 12 games. Between the two clubs, he batted .266 with one home run and nine runs batted in (RBI). Seigler spent the 2019 season with the Single-A Charleston RiverDogs, batting .175 with six RBI over 30 games. He started the season late due to a quadricep strain, then missed nearly the last two months the season after suffering a knee fracture while catching. Seigler did not play in a game in 2020 due to the cancellation of the minor league season because of the COVID-19 pandemic. He played only 41 games for the High-A Hudson Valley Renegades in 2021 due to injuries, slashing .219/.324/.391 with four home runs and 24 RBI. Seigler threw with his left hand in his first minor league game as an outfielder.

Seigler split the 2022 campaign between Hudson Valley and the Single-A Tampa Tarpons, playing in 97 games and batting .236/.405/.369 with seven home runs, 45 RBI, and 16 stolen bases. In 2023, he played for the Double-A Somerset Patriots, and he began playing second base, though he played one game as an outfielder, again throwing as a lefty. In 67 games, he slashed .166/.333/.263 with five home runs, 27 RBI, and seven stolen bases. Seigler elected free agency following the season on November 4.

Milwaukee Brewers On November 19, 2024, Seigler signed a minor league contract with the Milwaukee Brewers. He began the 2025 season with the Triple-A Nashville Sounds as a catcher and second baseman. In 63 Triple-A games, Seigler batted .277/.416/.465 with seven home runs, 35 RBI, and 20 stolen bases, his best offensive performance since 2018. Seigler would end up going back to switch-hitting in the 2026 season.

On July 1, 2025, the Brewers selected Seigler to their 40-man roster and promoted him to the major leagues for the first time. Seigler made his MLB debut the following day, starting at third base for both games of a doubleheader. He had his first hit in the sixth inning of the second game, a single off of Dedniel Núñez of the New York Mets. Seigler made 34 appearances for Milwaukee during his rookie campaign, slashing .194/.292/.210 with five RBI and two stolen bases. Seigler was selected to the 26-man roster for the 2025 NLDS against the Chicago Cubs.

Boston Red Sox On February 9, 2026, the Brewers traded Seigler, Caleb Durbin, Andruw Monasterio, and a compensation round draft pick in the 2026 MLB draft to the Boston Red Sox in exchange for Kyle Harrison, David Hamilton, and Shane Drohan.

Personal life Seigler's father played college baseball and later taught Spanish at Seigler's high school. His father bought him both right-handed and left-handed gloves, encouraging him to be a switch-thrower.