Ian Theodore Anderson Bio
Ian Theodore Anderson is an American professional baseball pitcher who was born on May 2, 1998, in Clifton Park, New York. The Atlanta Braves selected Anderson out of high school with the third overall pick of the 2016 MLB draft and signed him for $4 million. He made his Major League Baseball debut in 2020 and won a World Series ring as a member of the Braves in 2021. Anderson has played for the Atlanta Braves and Los Angeles Angels during his professional career, and he is currently a free agent.
Early Life and Background
Anderson grew up in Clifton Park, New York, where he attended Shenendehowa High School. His father, Bob Anderson, played college baseball at Siena and later won multiple New York State championships as a coach at Schalmont High School. Anderson has an identical twin brother named Ben Anderson, who also played baseball for Shenendehowa High School and went on to play at Binghamton University before being drafted by the Texas Rangers in 2019. Anderson also has a younger brother named Isaac.
As a young player, Anderson competed in the 2013 14-and-under Babe Ruth League World Series in Moses Lake, Washington, with his team from Clifton Park. His team finished third in the tournament, and Anderson was named to the all-defensive team as a pitcher. The squad was managed by Tom Huerter, father of future NBA player Kevin Huerter.
Path to Professional Baseball
During his junior year at Shenendehowa High School, Anderson posted a 6-1 record with a 0.66 earned run average and 91 strikeouts. In August 2015, he played in the Perfect Game All-American Classic at Petco Park. That same summer, Anderson represented the United States on the 18U National Team, which won the World Cup in Osaka. In 2016, he led Shenendehowa to a Class AA state championship. Anderson graduated from Shenendehowa in 2016 and committed to play college baseball at Vanderbilt before beginning his professional career.
Ian Theodore Anderson Career
Minor League Development (2016–2019)
Anderson was considered one of the top prospects in the 2016 MLB draft. He made his professional debut with the Gulf Coast League Braves and was promoted to the Danville Braves on August 6, 2016. He finished the 2016 season with a combined 1-2 record and 2.04 ERA in ten starts between both teams. In 2017, he played with the Rome Braves where he went 4-5 with a 3.14 ERA in 20 starts.
He began 2018 with the Florida Fire Frogs and was promoted to the Mississippi Braves on August 8. In 24 starts between the two clubs, he posted a 4-7 record with a 2.49 ERA. Anderson was invited to spring training before the 2019 season and returned to Mississippi to start the year. At midseason, he was selected as a Southern League All-Star and subsequently named to the 2019 All-Star Futures Game. On August 5, 2019, he was promoted to the Gwinnett Stripers, and he made his International League debut the next day. At the end of the season, Anderson won the Braves organizational pitcher of the year award.
Atlanta Braves Breakthrough (2020–2022)
Anderson was invited to spring training in 2020. Following the cancellation of the 2020 Minor League Baseball season due to the COVID-19 pandemic, the Braves placed Anderson on their initial list of players eligible to play for the team during the shortened Major League Baseball season. On August 26, 2020, Anderson was promoted to the major leagues for the first time, and his contract was selected to the active roster. He debuted in the first game of a doubleheader against the New York Yankees, going through the first 5 and one-third innings without yielding a hit. Anderson completed six innings, giving up one earned run on a home run by Luke Voit.
He finished the 2020 season with a 3-2 record over six games started and 32 and one-third innings, posting a 1.95 ERA with 41 strikeouts while giving up just 21 hits. He was fifth in the National League with four wild pitches. Anderson relied mostly on his 95 mph four-seam fastball, 88 mph changeup, and 80 mph curveball. He received a single vote in National League Rookie of the Year voting, tying him for seventh place.
On October 1, making his first postseason appearance, Anderson earned the win against the Cincinnati Reds, clinching the Wild Card Series for the Braves. He became the youngest pitcher in MLB postseason history to allow fewer than three hits while striking out nine while pitching at least six innings. In the National League Division Series against the Miami Marlins on October 7, Anderson threw 5.2 innings and recorded nine strikeouts as the Braves won 2-0.
In 2021, Anderson went 9-5 with a 3.58 ERA in 24 starts. He became the second person in World Series history to leave a game after throwing five no-hit innings, accomplished during Game 3 of the 2021 World Series, striking out four Houston Astros batters and earning the win in the Braves 2-0 victory. Anderson won a World Series ring as a member of the 2021 Braves and finished fifth in the 2021 Rookie of the Year voting.
Anderson struggled throughout the 2022 season, starting 21 games and pitching to a 9-6 record alongside a 5.11 ERA. He was demoted to the Gwinnett Stripers on August 7, 2022. He led MLB with 53 walks up to that point in the season.
Injury and Recovery (2023–2024)
In 2023, after impressive spring training performances from other pitchers, Anderson was optioned to Triple-A Gwinnett to begin the regular season. On April 11, 2023, it was announced that Anderson would undergo Tommy John surgery and miss the entire 2023 season. In 2024, Anderson was optioned to Gwinnett to begin the season as he continued his recovery from surgery.
Los Angeles Angels and Return to Atlanta (2025)
On March 23, 2025, Anderson was traded to the Los Angeles Angels in exchange for José Suárez. In seven appearances for Los Angeles, he struggled to an 0-1 record and 11.57 ERA with eight strikeouts across nine and one-third innings pitched. On April 24, 2025, Anderson was designated for assignment by the Angels. On April 27, 2025, he was claimed off waivers by the Atlanta Braves. On April 29, he was designated for assignment without making an appearance for the Braves. Anderson cleared waivers and was sent outright to the Triple-A Gwinnett Stripers on May 1, 2025. He made 12 starts split between Gwinnett and the Double-A Columbus Clingstones, accumulating a 1-7 record and 5.36 ERA with 38 strikeouts across 48 and one-third innings pitched. Anderson elected free agency following the season on November 6, 2025.
Driving Style and Strengths
Anderson features a mid-90s four-seam fastball that has been clocked at 95 mph, an 88 mph changeup, and an 80 mph curveball. He only rarely threw a 92 mph sinker during his early MLB career. His curveball is a 12-6 style with a low spin rate, and he used it more frequently against right-handed batters in the minor leagues. By the time he reached the major leagues, Anderson changeup had improved markedly. His arm angle stood out to teammates as it is higher than that of most pitchers.
Notable Events and Milestones
Anderson achieved several notable milestones during his career. His MLB debut against the New York Yankees on August 26, 2020, saw him pitch effectively through the first five and one-third innings without yielding a hit. His 2021 World Series performance, where he threw five no-hit innings in Game 3 against the Houston Astros, became a historic moment as he became the second person in World Series history to accomplish that feat. He also set a postseason record as the youngest pitcher in MLB postseason history to allow fewer than three hits while striking out nine and pitching at least six innings.
Ian Theodore Anderson Career Wins
Throughout his Major League Baseball career, Anderson has compiled a 22-14 win-loss record with a 4.22 earned run average and 270 strikeouts across his time with the Atlanta Braves and Los Angeles Angels.
Major League Baseball Highlights
Anderson made his MLB debut in 2020 and quickly made an impact, finishing that season with a 3-2 record and a 1.95 ERA in six starts. His 2021 season proved to be his breakthrough year, as he went 9-5 with a 3.58 ERA in 24 starts and earned a World Series championship ring with the Braves. He won his first postseason game on October 1, 2020, against the Cincinnati Reds in the Wild Card Series. His 2022 season saw him post a 9-6 record, though his 5.11 ERA indicated struggles throughout the year.
Minor League and Amateur Achievements
Prior to his MLB career, Anderson achieved success at multiple levels. He helped lead Shenendehowa High School to a Class AA state championship in 2016. He played for the 18U National Team that won the World Cup in 2015. During his minor league career, he was named the Braves organizational pitcher of the year in 2019 after going a combined 10-10 with a 3.14 ERA across three levels that season.
Ian Theodore Anderson Family
Family Background and Baseball Lineage
Anderson comes from a baseball family. His father, Bob Anderson, played college baseball at Siena College and later became a successful high school coach at Schalmont High School, where he won multiple New York State championships. This baseball background provided Ian with early exposure and guidance in the sport.
Personal Life
Anderson has an identical twin brother, Ben Anderson, who also pursued a baseball career. Ben played for Shenendehowa High School and Binghamton University before being drafted by the Texas Rangers in the 13th round of the 2019 MLB draft. Anderson also has a younger brother named Isaac. Anderson attended Shenendehowa High School in Clifton Park, New York, and graduated in 2016.
2025 Season Performance
The 2025 season marked a year of transition for Anderson. After beginning the year with the Los Angeles Angels following a trade in late March, he appeared in seven games and struggled with an 11.57 ERA. The Angels designated him for assignment in late April. Anderson was subsequently claimed off waivers by his former team, the Atlanta Braves, but did not make an appearance before being designated for assignment again. He finished the season with the Triple-A Gwinnett Stripers and Double-A Columbus Clingstones, where he went a combined 1-7 with a 5.36 ERA in 12 starts. Anderson elected free agency at the conclusion of the season, becoming available to sign with any team for the 2026 campaign.