History of Carter Kieboom in Timeline

By Popular Timelines Editorial Team · Updated: March 21, 2026

Carter Kieboom is a professional baseball third baseman currently in the Philadelphia Phillies organization. Previously, he played in MLB for the Washington Nationals and Los Angeles Angels. Kieboom made his major league debut in 2019 with the Nationals, showcasing his potential as a promising infielder. While his MLB career has been marked by periods of inconsistency and injury, he remains focused on developing his skills and contributing to his team's success.

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Full Timeline Career & Achievements

September 3, 1997: Carter Kieboom's Birth

Carter Alswinn Kieboom was born on September 3, 1997.

Others born on this day/year

2016: Drafted by Washington Nationals

In 2016, Carter Kieboom was drafted in the first round of the Major League Baseball draft by the Washington Nationals. He signed with the Nationals on June 11.

2017: Single-A Hagerstown Suns

In 2017, Carter Kieboom played with the Single-A Hagerstown Suns, showcasing a .333 batting average and six home runs before a hamstring injury placed him on the disabled list on May 12. He was later named to the Northern Division All-Star team in the South Atlantic League and played across three levels, finishing the 2017 season with a .297 batting average and nine home runs in 61 games.

2018: Carolina League All-Star

In 2018, Carter Kieboom was named a Carolina League All-Star while playing for the High-A Potomac Nationals. Following the All-Star Game, he was promoted to the Double-A Harrisburg Senators. He also represented Team USA in the All-Star Futures Game at Nationals Park in 2018.

April 26, 2019: MLB Promotion and Debut Home Run

On April 26, 2019, the Nationals promoted Carter Kieboom to the major league roster, and he made his debut that night, hitting a home run for his first major league hit. He also got named to the 2019 Futures Game.

2019: MLB Debut

In 2019, Carter Kieboom made his Major League Baseball (MLB) debut.

2019: Nationals Winning the World Series

In 2019, the Washington Nationals won the World Series. Kieboom did not participate in any postseason action.

January 2020: Move to Third Base

In January 2020, following Anthony Rendon's departure, Nationals manager Dave Martinez announced that Carter Kieboom would move to third base full time, with the expectation that he would become Rendon's permanent replacement.

2021: Played 62 Games for Washington

In 2021, Carter Kieboom played in 62 games for Washington, hitting .207 with 6 home runs.

March 20, 2022: Injury and Injured List Placement

On March 20, 2022, it was announced that Carter Kieboom would miss 4-6 weeks due to a flexor mass strain near his right elbow, leading to him being placed on the 60-day injured list the following day.

2023: Return to Majors

In 2023, Carter Kieboom returned to the majors, hitting a home run in his first at-bat. In 26 games for Washington, he batted .207/.266/.368 with 4 home runs and 11 RBI.

March 13, 2024: Removed from 40-Man Roster

On March 13, 2024, Carter Kieboom was removed from the 40-man roster and sent outright to Triple-A Rochester. He elected free agency following the season on November 4.

December 6, 2024: Signed with Los Angeles Angels

On December 6, 2024, Carter Kieboom signed a minor league contract with the Los Angeles Angels.

2025: Added to Angels Active Roster

In 2025, Carter Kieboom was added to the Los Angeles Angels' active roster on September 16. On October 22, Kieboom was removed from the 40-man roster and sent outright to Salt Lake; he subsequently rejected the assignment and elected free agency.