| Duane Theiss | |
| Position: | Pitcher |
| Birth Date: | November 20, 1953 |
| Birth Place: | Zanesville, Ohio |
| Bats: | Right |
| Throws: | Right |
| Debutleague: | MLB |
| Debutdate: | August 5 |
| Debutyear: | 1977 |
| Debutteam: | Atlanta Braves |
| Finalleague: | MLB |
| Finaldate: | October 1 |
| Finalyear: | 1978 |
| Finalteam: | Atlanta Braves |
| Statleague: | MLB |
| Stat1label: | Win–loss record |
| Stat1value: | 1–1 |
| Stat2label: | Earned run average |
| Stat2value: | 5.33 |
| Stat3label: | Strikeouts |
| Stat3value: | 10 |
| Teams: |
|
Duane Charles Theiss (born November 20, 1953) is a former Major League Baseball pitcher. He played two seasons with the Atlanta Braves from 1977 to 1978.[1]
Theiss attended Sheridan High School (Thornville, Ohio) then Marietta College, and in 1974 he played collegiate summer baseball with the Wareham Gatemen of the Cape Cod Baseball League.[2] He was drafted in the 12th round of the 1975 MLB Draft by the Braves.