James Verlin Mertz
- Bats Right, Throws Right
- Height 5' 10½", Weight 170 lb.
- Debut May 1, 1943
- Final Game October 2, 1943
- Born August 10, 1916 in Lima, OH USA
- Died February 4, 2003 in Waycross, GA USA
The baseball career of pitcher Jim Mertz was ended when he injured his arm while serving in the military during World War II.