Charles Francis Sellman
(also played as Frank C. Williams 1871-1875 and sometimes known as Frank Selman)
- Bats Unknown, Throws Unknown
- Height 5' 9", Weight 145 lb.
- Debut May 4, 1871
- Final Game May 3, 1875
- Born January 21, 1851 in Baltimore, MD USA
- Died May 6, 1907 in Baltimore, MD USA
Frank Sellman played for five different teams in the five years of the National Association. In 1869, he had played for the amateur Baltimore Marylands.
Sellman played just about everywhere in the field, with the most common positions being catcher and third base. In 1869, he had been a second baseman.