- Roman Anthony is the youngest player during the 2025 season.
- Anthony is 21 years old in his rookie campaign.
MLB teams continue to call up their prospects much earlier, so it’s important to keep track of the sport’s promising young players.
The youngest player in MLB history was Joe Nuxhall, who debuted in the MLB for the Cincinnati Reds on June 10, 1944, at 15 years of age. Nuxhall’s extremely early major league selection was the exception rather than the rule, but there are still plenty of players proving that sometimes career success comes sooner rather than later.
*Note: all ages are as of June 30, which is the date MLB uses to determine a season age.
Ranking Youngest MLB Players in 2025
| PLAYER | TEAM | AGE |
|---|---|---|
| Roman Anthony | Boston Red Sox | 21 |
| Jackson Chourio | Milwaukee Brewers | 21 |
| Caden Dana | Los Angeles Angels | 21 |
| Jackson Holliday | Baltimore Orioles | 21 |
| Bradgley Rodríguez | San Diego Padres | 21 |
| Moisés Ballesteros | Chicago Cubs | 21 |
| Cole Young | Seattle Mariners | 21 |
| Junior Caminero | Tampa Bay Rays | 21 |
Who is the Youngest MLB Player in 2025?
Boston Red Sox outfielder Roman Anthony became the youngest MLB player during the 2025 season when he made his debut on June 9.
Anthony, who was drafted in the second round of the 2022 MLB draft, is one of the top prospects in baseball. He turned 21 years old on May 13.
Before Anthony’s debut, Milwaukee Brewers outfielder Jackson Chourio was considered the youngest player in MLB and even completed an impressive rookie campaign in the majors before being old enough to buy an adult beverage.
Chourio, who turned 21 on March 11, finished third in NL Rookie of the Year voting last year. He hit .275 with 21 home runs, 79 RBIs, and 22 stolen bases during his debut season.
Yearly Records for Youngest MLB Players
| Year | Player | Team | Age |
|---|---|---|---|
| 2024 | Jackson Chourio | MIL | 20 |
| 2023 | Junior Caminero | TBR | 19 |
| 2022 | Francisco Alvarez | NYM | 20 |
| 2021 | Wander Franco | TBR | 20 |
| 2020 | Luis Garcia Jr. | WSN | 20 |
| 2019 | Elvis Luciano | TOR | 19 |
| 2018 | Juan Soto | WSN | 19 |
| 2017 | Rafael Devers | BOS | 20 |
| 2016 | Julio Urias | LAD | 19 |
| 2015 | Adalberto Mondesi | KCR | 19 |
| 2014 | Dilson Herrera | NYM | 20 |
| 2013 | Jurickson Profar | TEX | 20 |
| 2012 | Jurickson Profar | TEX | 19 |
| 2011 | Mike Trout | LAA | 19 |
| 2010 | Starlin Castro | CHC | 20 |
| 2009 | Madison Bumgarner | SFG | 19 |
| 2008 | Clayton Kershaw | LAD | 20 |
| 2007 | Justin Upton | ARI | 19 |
| 2006 | Felix Hernandez | SEA | 20 |
| 2005 | Felix Hernandez | SEA | 19 |
| 2004 | B.J. Upton | TBR | 19 |
| 2003 | Edwin Jackson | LAD | 19 |
| 2002 | Wily Mo Pena | CIN | 20 |
| 2001 | Wilson Betemit | ATL | 19 |
| 2000 | Jon Garland | CHW | 20 |
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