What years did Mike Armstrong play?

Mike Armstrong played in Major League Baseball from 1980 to 1987.

Was Mike Armstrong a pitcher?

Yes. Mike Armstrong pitched in the major leagues, recording 19 wins and 221 strikeouts.

How many home runs did Mike Armstrong hit?

Mike Armstrong hit 0 career home runs.

What was Mike Armstrong's career batting average?

Mike Armstrong batted .000 over his career, with 0 hits in 3 at bats.

What was Mike Armstrong's career ERA?

Mike Armstrong finished with a 4.10 career ERA, going 19-17 with 221 strikeouts.

How many strikeouts did Mike Armstrong have?

Mike Armstrong recorded 221 career strikeouts.

Mike Armstrong

Pitcher · Career Stats, Bio & Records (1980-1987)

Mike Armstrong was a pitcher who played in Major League Baseball from 1980 to 1987 for 4 teams, including the San Diego Padres, a span of 8 seasons. Across 197 career appearances, he went 19-17 with a 4.10 ERA and 221 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 12, 2026

W–L 19–17

ERA 4.10

WHIP 1.35

SO 221

Pitcher PIV -4080.3

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'3" / 193 lb
Born: 3/7/1954 in Glen Cove, NY, USA
MLB Debut: 1980-08-12
Last Game: 1987-07-05

Full name: Michael Dennis Armstrong

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Career Pitching Statistics

Mike Armstrong — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
19	17	197	1	0	0	11	338.0	300	154	42	155	221	4.10	-4080.3

Career ERA 4.10 vs. league average 3.90 across their career seasons — near league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Mike Armstrong Stats, Bio & Career Records
Year	Team	Lg	W	L	G	GS	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1980	SDN	NL	0	0	11	0	0	14.1	16	9	13	14	5.65	3.84 (-47%)	-859.6
1981	SDN	NL	0	2	10	0	0	12.0	14	8	11	9	6.00	3.58 (-67%)	-405.0
1982	KCA	AL	5	5	52	0	6	112.2	88	40	43	75	3.20	3.86 (+17%)	617.9
1983	KCA	AL	10	7	58	0	3	102.2	86	44	45	52	3.86	3.87 (avg)	-1707.2
1984	NYA	AL	3	2	36	0	1	54.1	47	21	26	43	3.48	3.81 (+9%)	-333.6
1985	NYA	AL	0	0	9	0	0	14.2	9	5	2	11	3.07	3.89 (+21%)	-456.6
1986	NYA	AL	0	1	7	1	0	8.2	13	9	5	8	9.35	—	0.0
1987	CLE	AL	1	0	14	0	1	18.2	27	18	10	9	8.68	4.29 (-102%)	-936.2
Career · 8 seasons			19	17	197	1	11	338.0	300	154	155	221	4.10	—	-4,080

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

Mike Armstrong — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
198	3	0	0	0	0	0	0	0	0	3	.000	.000	.000	.000	0

Career AVG .000 vs. league average .260 across their career seasons — 100.0% below league average.

Career OBP .000 vs. league average .325 across their career seasons — 100.0% below league average.

Career SLG .000 vs. league average .391 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.

Mike Armstrong — Season-by-Season Batting
Year	Team	Lg	G	AB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1980	SDN	NL	11	3	3	.000	—	—	—	—	0.0
1981	SDN	NL	10	0	0	.000	—	—	—	—	0.0
1982	KCA	AL	52	0	0	.000	—	—	—	—	0.0
1983	KCA	AL	59	0	0	.000	—	—	—	—	0.0
1984	NYA	AL	36	0	0	.000	—	—	—	—	0.0
1985	NYA	AL	9	0	0	.000	—	—	—	—	0.0
1986	NYA	AL	7	0	0	.000	—	—	—	—	0.0
1987	CLE	AL	14	0	0	.000	—	—	—	—	0.0
Career · 8 seasons			198	3	3	.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 (395 games) →

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

Batting — Home / Away

Mike Armstrong — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	100	1	0	0	0	0	.000
Away	98	2	0	0	0	0	.000

Pitching — Home / Away

Mike Armstrong — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	99	178.2	140	68	73	113	3.43
Away	98	159.1	160	86	82	108	4.86

Last 10 Games — Pitching

Mike Armstrong — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1987-07-05	CLE	CHW	—	1.1	5	5	5	0	1	1
1987-07-03	CLE	CHW	—	0.2	2	0	0	0	0	0
1987-07-01	CLE	LAA	—	0.0	3	2	2	1	0	0
1987-06-29	CLE	LAA	—	0.2	2	4	4	2	0	2
1987-06-24	CLE	MIN	—	1.0	2	1	1	0	0	0
1987-06-23	CLE	MIN	—	0.2	0	0	0	1	1	0
1987-06-21	CLE	SEA	—	3.0	0	0	0	1	2	0
1987-06-18	CLE	BOS	W	3.0	3	0	0	2	2	0
1987-06-16	CLE	BOS	SV	0.1	0	0	0	0	0	0
1987-06-14	CLE	SEA	—	0.1	0	0	0	0	1	0

Fielding Statistics

Career Fielding Totals by Position

Mike Armstrong — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	197	1	28	28	4	3

Season-by-Season Fielding

Mike Armstrong — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
1980	SDN	P	11	0	1	0	1	0
1981	SDN	P	10	0	0	0	0	0
1982	KCA	P	52	0	9	8	0	1
1983	KCA	P	58	0	8	12	0	1
1984	NYA	P	36	0	7	4	1	1
1985	NYA	P	9	0	1	1	0	0
1986	NYA	P	7	1	1	1	1	0
1987	CLE	P	14	0	1	2	1	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Mike Armstrong — Career Games by Position
Position	Games
Pitcher	198

College History

Mike Armstrong — College History
School Name	City	State	Years Attended
University of Miami	Coral Gables	FL	1973

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

Career Spans

Mike Armstrong (highlighted) compared to peers across the same era.

Mike Armstrong: the record in brief

The profile opens with Mike Armstrong's first major league game on August 12, 1980; the last one listed came on July 5, 1987. Club by club, the record runs the San Diego Padres (1980 to 1981), the Kansas City Royals (1982 through 1983), the New York Yankees (1984 to 1986), and the Cleveland Indians (1987). Armstrong, born on March 7, 1954, in Glen Cove, NY, USA, is listed as a pitcher and batted and threw right-handed. Armstrong's listed size is 6'3" and 193 pounds. Armstrong's full given name, per the bio, is Michael Dennis Armstrong.

The pitching table credits Armstrong with a 19-17 record and a 4.10 ERA in 197 games. The same table counts 221 strikeouts and 11 saves. Armstrong's 4.10 ERA was close to the 3.90 league figure for those seasons. 1983 brought Armstrong a season-high 10 wins. The strikeout high was 75 in 1982. In 1982, one of the busiest seasons, Armstrong posted a 3.20 ERA; the league figure that year was 3.86.

Frequently Asked Questions about Mike Armstrong

What years did Mike Armstrong play?: Mike Armstrong played in Major League Baseball from 1980 to 1987.
Was Mike Armstrong a pitcher?: Yes. Mike Armstrong pitched in the major leagues, recording 19 wins and 221 strikeouts.
How many home runs did Mike Armstrong hit?: Mike Armstrong hit 0 career home runs.
What was Mike Armstrong's career batting average?: Mike Armstrong batted .000 over his career, with 0 hits in 3 at bats.
What was Mike Armstrong's career ERA?: Mike Armstrong finished with a 4.10 career ERA, going 19-17 with 221 strikeouts.
How many strikeouts did Mike Armstrong have?: Mike Armstrong recorded 221 career strikeouts.