Greg Allen is an accomplished professional baseball outfielder known for his speed and defensive capabilities, having played for multiple MLB teams. After being drafted by the Cleveland Indians in the 6th round of the 2014 MLB draft, Greg Allen quickly established himself as a prominent professional baseball outfielder known for his exceptional speed and defensive capabilities. He rapidly ascended through the minor league ranks, demonstrating significant prowess on the base paths. In 2015, playing for the Lake County Captains, Allen recorded an impressive 43 stolen bases.

He returned to the New York Yankees for a third time, signing another minor league contract on January 30, 2024. In the following year, on February 21, 2025, Allen signed a minor league contract with the Chicago Cubs, further showcasing his persistent presence within major league organizations. His consistent performance and defensive skills ultimately led to him signing a major league contract with the Baltimore Orioles on August 8, 2025. During his tenure with the Baltimore Orioles in 2025, Allen made 7 appearances, contributing his renowned speed and defensive capabilities to the team.

His professional career highlights his versatility and valuable contributions as an accomplished outfielder across multiple MLB franchises. He was granted Free Agency on August 19, 2025, marking the latest chapter in his dynamic career as a seasoned professional baseball talent.