Dent, the son of John Marshall and Ida Elizabeth (Wright) Dent, made his debut in professional baseball with the Winston-Salem Twins of the Carolina Baseball Association in 1909. He pitched in 31 games, going 18-11 before his contract was bought by the Superbas on July 28. He started five games in the Majors that year, beginning on August 31, and went 2-4 with a 4.29 ERA.
In 1910 Dent started the season with the New Haven Prairie Hens of the Class B Connecticut State League. He went 17-15 in 38 appearances that season, and began the 1911 season there, as well. He went 21-14 for the re-named Murlins before the Dodgers called him back up. In five games for Brooklyn he went 2-1 with a 3.69 ERA. The next season he made only one appearance, on April 11, allowing four runs on four hits in one inning of work with one strikeout. He was sent down during the season to the Newark Indians of the AA International League and never returned to the Majors.
In 1913 Dent joined the Atlanta Crackers of the Southern Association and had his best season as a pitcher, going 14-4 in 28 appearances. In 1914 he went 15-12 in 35 games. He played briefly for the Venice/Vernon Tigers and San Francisco Seals of the Pacific Coast League at the start of the 1915 season, but finished the year back in Atlanta.
- Agee, Anne S. (2007) "Descendants of John Benjamin Dent". The Scriveners of Anne Arundel County Maryland. Genealogy.com
- Eddie Dent at baseball-reference.com