Jacob Phillip "Silent Jake" Volz (April 4, 1878 – August 11, 1962) was a pitcher in Major League Baseball who played between 1901 and 1908 for the Boston Americans (1901), Boston Beaneaters (1905) and Cincinnati Reds (1908).
Listed at 5 ft 10 in (1.78 m), 175 lb., Volz batted and threw right-handed.
He was born in San Antonio, Texas.
In a three-season career, Volz posted a 2–4 record with 12 strikeouts and a 6.10 ERA in 11 appearances, including seven starts, two complete games, and 38? innings of work.
Volz married Anna (Cloud) Zuercher 1909 in San Antonio .
On May 19, 1911, he shot Anna point blank in the face in front of their home while she was holding the hand of her five-year-old son .
He was subsequently found not guilty by reason of insanity .
Volz died in his hometown of San Antonio, Texas at age 84.