What years did Duane Theiss play?

Duane Theiss played in Major League Baseball from 1977 to 1978.

Was Duane Theiss a pitcher?

Yes. Duane Theiss pitched in the major leagues, recording 1 wins and 10 strikeouts.

How many home runs did Duane Theiss hit?

Duane Theiss hit 0 career home runs.

What teams did Duane Theiss play for?

Duane Theiss played for one team, the Atlanta Braves (1977–1978).

What were Duane Theiss's career stats?

In 20 games, Duane Theiss went 1-1 with a 5.33 ERA, 10 strikeouts, and 27.0 innings pitched.

What position did Duane Theiss play?

Duane Theiss played primarily as a pitcher, the position where he appeared in the most games.

How tall was Duane Theiss and how much did he weigh?

Duane Theiss was listed at 6 feet 3 inches and 185 pounds.

What was Duane Theiss's career ERA?

Duane Theiss finished with a 5.33 career ERA, going 1-1 with 10 strikeouts.

How many strikeouts did Duane Theiss have?

Duane Theiss recorded 10 career strikeouts.

Is Duane Theiss in the Hall of Fame?

No. Duane Theiss has not been inducted into the National Baseball Hall of Fame.

Duane Theiss

Pitcher · Career Stats, Bio & Records (1977-1978)

Duane Theiss was a pitcher who played in Major League Baseball from 1977 to 1978 for the Atlanta Braves, a span of 2 seasons. Across 20 career appearances, he went 1-1 with a 5.33 ERA and 10 strikeouts.

W (Wins):: Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
ERA (Earned Run Average):: Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
SO (Strikeouts):: For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
WHIP (Walks and Hits per Inning Pitched):: Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.

Data updated October 15, 2026

W–L 1–1

ERA 5.33

WHIP 1.78

SO 10

Pitcher PIV -598.8

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'3" / 185 lb
Born: 11/20/1953 in Zanesville, OH, USA
MLB Debut: 1977-08-05
Last Game: 1978-10-01

Full name: Duane Charles Theiss

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Career Pitching Statistics

Duane Theiss — 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	-598.8

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

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Duane Theiss — Season-by-Season Pitching
Year	Team	Lg	W	L	G	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1977	ATL	NL	1	1	17	20.2	26	15	16	7	6.53	4.00 (-63%)	-598.8
1978	ATL	NL	0	0	3	6.1	3	1	3	3	1.42	—	0.0
Career · 2 seasons			1	1	20	27.0	29	16	19	10	5.33	—	-599

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

Duane Theiss — 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	.000	.000	.000	.000	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 .000 vs. league average .716 across their career seasons — 100.0% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Duane Theiss — Season-by-Season Batting
Year	Team	Lg	G	AB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1977	ATL	NL	17	1	1	.000	—	—	—	—	0.0
1978	ATL	NL	3	1	1	.000	—	—	—	—	0.0
Career · 2 seasons			20	2	2	.000	—	—	—	—	0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Game Log & Splits

View full game log (40 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

Duane Theiss — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	9	0	0	0	0	0	—
Away	11	2	0	0	0	0	.000

Pitching — Home / Away

Duane Theiss — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	9	9.0	13	6	5	4	6.00
Away	11	18.0	16	10	14	6	5.00

Last 10 Games — Batting

Duane Theiss — Last 10 Games — Batting
Date	Tm	Opp	Res	AB	SO
1978-10-01	ATL	CIN	L	1	1
1978-09-27	ATL	HOU	L	0	0
1978-09-22	ATL	CIN	L	0	0
1977-10-01	ATL	CIN	L	0	0
1977-09-30	ATL	CIN	L	0	0
1977-09-27	ATL	HOU	L	0	0
1977-09-15	ATL	SDP	W	0	0
1977-09-06	ATL	SFG	L	0	0
1977-09-03	ATL	NYN	L	0	0
1977-08-30	ATL	PHI	L	1	1

Last 10 Games — Pitching

Duane Theiss — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1978-10-01	ATL	CIN	—	3.1	1	1	1	2	1	0
1978-09-27	ATL	HOU	—	1.0	1	0	0	0	1	0
1978-09-22	ATL	CIN	—	2.0	1	0	0	1	1	0
1977-10-01	ATL	CIN	—	0.1	1	0	0	0	1	0
1977-09-30	ATL	CIN	—	1.2	0	0	0	1	0	0
1977-09-27	ATL	HOU	—	1.0	1	1	1	1	0	0
1977-09-15	ATL	SDP	—	0.1	0	0	0	1	1	0
1977-09-06	ATL	SFG	—	0.2	4	4	4	0	0	0
1977-09-03	ATL	NYN	—	1.1	2	2	2	1	0	0
1977-08-30	ATL	PHI	—	2.2	3	4	4	1	0	1

Fielding Statistics

Career Fielding Totals by Position

Duane Theiss — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	20	0	4	3	0	0

Season-by-Season Fielding

Duane Theiss — 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 Diamond

Circle size = games played at each position.

Duane Theiss — Career Games by Position
Position	Games
Pitcher	20

College History

Duane Theiss — College History
School Name	City	State	Years Attended
Marietta College	Marietta	OH	1973, 1974, 1975

Duane Theiss: the record in brief

The profile opens with Duane Theiss's first major league game on August 5, 1977; the last one listed came on October 1, 1978. The team column never changes: it is the Atlanta Braves from 1977 to 1978. Theiss, born on November 20, 1953, in Zanesville, OH, USA, is listed as a pitcher and threw and hit right-handed. The bio gives 6-foot-3 and 185 pounds. The bio lists the given name Duane Charles.

The pitching table credits Theiss with a 1-1 record and a 5.33 ERA in 20 games. The totals include 10 strikeouts. Against a 3.84 league ERA for the same seasons, the 5.33 mark was 38.8% worse. 1977 was Theiss's sharpest full season, a 6.53 ERA against the league's 4.00.

Theiss's college years, 1973, 1974, and 1975, were spent at Marietta College. The game-log section draws on 40 games of Retrosheet box scores for Theiss.

Every defensive appearance on record for Theiss, 20 games, came at pitcher. On the mound, Theiss's fielding totals are 4 putouts, 3 assists and 0 errors.

Frequently Asked Questions about Duane Theiss

What years did Duane Theiss play?: Duane Theiss played in Major League Baseball from 1977 to 1978.
Was Duane Theiss a pitcher?: Yes. Duane Theiss pitched in the major leagues, recording 1 wins and 10 strikeouts.
How many home runs did Duane Theiss hit?: Duane Theiss hit 0 career home runs.
What teams did Duane Theiss play for?: Duane Theiss played for one team, the Atlanta Braves (1977–1978).
What were Duane Theiss's career stats?: In 20 games, Duane Theiss went 1-1 with a 5.33 ERA, 10 strikeouts, and 27.0 innings pitched.
What position did Duane Theiss play?: Duane Theiss played primarily as a pitcher, the position where he appeared in the most games.
How tall was Duane Theiss and how much did he weigh?: Duane Theiss was listed at 6 feet 3 inches and 185 pounds.
What was Duane Theiss's career ERA?: Duane Theiss finished with a 5.33 career ERA, going 1-1 with 10 strikeouts.
How many strikeouts did Duane Theiss have?: Duane Theiss recorded 10 career strikeouts.
Is Duane Theiss in the Hall of Fame?: No. Duane Theiss has not been inducted into the National Baseball Hall of Fame.