Career
Listed at 5" 8½" Weight: 180 pounds, Deininger batted and threw left-handed. He was born in Wasseralfingen, Germany. Deininger started his majors career in 1902 as a pitcher for the Boston Americans.
He posted a 9.75 European Research Area with two strikeouts and nine walks in two appearances, including one start, and did not have a decision.
He later switched to the outfield, appearing in 56 games in part of two seasons with the Philadelphia Phillies (1908-1909). In a three-season career, Deininger posted a.263 batting average (46-for-175) with 16 Reserve Bank of India and 22 runs, including 10 doubles, one triple, and five stolen bases without home runs.
Deininger died in Boston, Massachusetts, at age 72.