Duane Theiss

Born: 11/20/1953 in Zanesville, OH, USA

MLB Debut: 1977-08-05 | Final Game: 1978-10-01

Bats: R | Throws: R | Height: 6'3" | Weight: 185 lbs

Full name: Duane Charles Theiss

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Biography

Duane Theiss was a professional baseball pitcher who played in Major League Baseball from 1977 to 1978. Born in 1953, Theiss made his debut on August 5, 1977, showcasing his talents during a brief career that spanned just over a season. He finished his time in the big leagues with a win-loss record of 1-1 and an earned run average (ERA) of 5.33, which reflected the challenges he faced on the mound during an era marked by a transition in offensive performance. Throughout his career, Theiss struck out 10 batters, demonstrating flashes of potential typical of many pitchers striving to establish themselves in the league. Although he did not record any saves, his contributions to his teams reflected the often-underappreciated role of pitchers in the late 1970s, a time when the game was evolving and teams were beginning to emphasize bullpen strength. Theiss's tenure in Major League Baseball serves as a reminder of the many players who have contributed to the rich tapestry of the sport, even if their careers were not extensively documented in the annals of baseball history.

Career Pitching Statistics

W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
1	1	20	0	0	0	0	27.0	29	16	1	19	10	5.33	0

Career ERA 5.33 vs. league average 3.84 across their career seasons — 38.8% worse than league average.

Season-by-Season Pitching

Year	Team	Lg	W	L	G	GS	CG	SHO	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1977	ATL	NL	1	1	17	0	0	0	0	20.7	26	15	16	7	6.53	4.00 (-63%)	-601.3
1978	ATL	NL	0	0	3	0	0	0	0	6.3	3	1	3	3	1.42	—	0.0

Career Batting Statistics

G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
20	2	0	0	0	0	0	0	0	0	2	0.000	0.000	0.000	0.000	0.0

Career AVG .000 vs. league average .261 across their career seasons — 100.0% below league average.

Career OBP .000 vs. league average .326 across their career seasons — 100.0% below league average.

Career SLG .000 vs. league average .390 across their career seasons — 100.0% below league average.

Career OPS 0.000 vs. league average 0.716 across their career seasons — 100.0% below league average.

Season-by-Season Batting

Year	Team	Lg	G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1977	ATL	NL	17	1	0	0	0	0	0	0	0	0	1	0.000	—	—	—	—	0.0
1978	ATL	NL	3	1	0	0	0	0	0	0	0	0	1	0.000	—	—	—	—	0.0

Fielding Statistics

Career Fielding Totals by Position

Position	G	GS	PO	A	E	DP
P	20	0	4	3	0	0

Season-by-Season Fielding

Year	Team	Pos	G	GS	PO	A	E	DP
1977	ATL	P	17	0	2	3	0	0
1978	ATL	P	3	0	2	0	0	0

Career Games by Position

Position	Games
Pitcher	20

College History

School Name	City	State	Years Attended
Marietta College	Marietta	OH	1973, 1974, 1975