What years did Mark Wiley play?

Mark Wiley played in Major League Baseball from 1975 to 1978.

Was Mark Wiley a pitcher?

Yes. Mark Wiley pitched in the major leagues, recording 2 wins and 18 strikeouts.

How many home runs did Mark Wiley hit?

Mark Wiley hit 0 career home runs.

What was Mark Wiley's career batting average?

Mark Wiley batted .000 over his career, with 0 hits in 2 at bats.

What was Mark Wiley's career ERA?

Mark Wiley finished with a 6.06 career ERA, going 2-3 with 18 strikeouts.

How many strikeouts did Mark Wiley have?

Mark Wiley recorded 18 career strikeouts.

Mark Wiley

Pitcher · Career Stats, Bio & Records (1975-1978)

Mark Wiley was a pitcher who played in Major League Baseball from 1975 to 1978 for the Minnesota Twins, the San Diego Padres, and the Toronto Blue Jays, a span of 4 seasons. Across 21 career appearances, he went 2-3 with a 6.06 ERA and 18 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 2–3

ERA 6.06

WHIP 1.61

SO 18

Pitcher PIV -513.9

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'1" / 200 lb
Born: 2/28/1948 in National City, CA, USA
MLB Debut: 1975-06-17
Last Game: 1978-09-29

Full name: Mark Eugene Wiley

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Career Pitching Statistics

Mark Wiley — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
2	3	21	4	1	0	2	49.0	64	33	5	15	18	6.06	-513.9

Career ERA 6.06 vs. league average 3.70 across their career seasons — 63.9% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Mark Wiley — Season-by-Season Pitching
Year	Team	Lg	W	L	G	GS	CG	SV	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1975	MIN	AL	1	3	15	3	1	2	38.2	50	26	13	15	6.05	3.71 (-63%)	-513.9
1978	SDN	NL	1	0	4	1	0	0	7.2	11	5	1	1	5.87	—	0.0
1978	TOR	AL	0	0	2	0	0	0	2.2	3	2	1	2	6.75	—	0.0
Career · 3 seasons			2	3	21	4	1	2	49.0	64	33	15	18	6.06	—	-514

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

Mark Wiley — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
21	2	0	0	0	0	0	0	0	0	1	.000	.000	.000	.000	0

Career AVG .000 vs. league average .258 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 .376 across their career seasons — 100.0% below league average.

Career OPS .000 vs. league average .702 across their career seasons — 100.0% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Mark Wiley — Season-by-Season Batting
Year	Team	Lg	G	AB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1975	MIN	AL	15	0	0	.000	—	—	—	—	0.0
1978	SDN	NL	4	2	1	.000	—	—	—	—	0.0
1978	TOR	AL	2	0	0	.000	—	—	—	—	0.0
Career · 3 seasons			21	2	1	.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 (42 games) →

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

Batting — Home / Away

Mark Wiley — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	11	0	0	0	0	0	—
Away	10	2	0	0	0	0	.000

Pitching — Home / Away

Mark Wiley — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	11	30.0	39	20	10	14	6.00
Away	10	19.0	25	13	5	4	6.16

Last 10 Games — Batting

Mark Wiley — Last 10 Games — Batting
Date	Tm	Opp	Res	AB	SO
1978-09-29	TOR	BOS	L	0	0
1978-09-27	TOR	NYY	L	0	0
1978-07-07	SDP	ATL	L	0	0
1978-07-06	SDP	SFG	L	0	0
1978-07-01	SDP	HOU	W	2	1
1978-06-27	SDP	SFG	L	0	0
1975-08-17	MIN	CLE	L	0	0
1975-08-12	MIN	MIL	L	0	0
1975-08-04	MIN	KCR	L	0	0
1975-08-03	MIN	CHW	W	0	0

Last 10 Games — Pitching

Mark Wiley — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1978-09-29	TOR	BOS	—	0.2	3	2	2	1	0	0
1978-09-27	TOR	NYY	—	2.0	0	0	0	0	2	0
1978-07-07	SDP	ATL	—	0.2	6	4	4	0	0	1
1978-07-06	SDP	SFG	—	0.1	1	0	0	1	0	0
1978-07-01	SDP	HOU	W	5.0	4	2	1	0	0	0
1978-06-27	SDP	SFG	—	1.2	0	0	0	0	1	0
1975-08-17	MIN	CLE	—	2.2	7	3	3	1	2	0
1975-08-12	MIN	MIL	—	6.2	6	3	3	2	6	0
1975-08-04	MIN	KCR	L	1.1	2	2	2	2	0	1
1975-08-03	MIN	CHW	SV	3.1	4	1	1	0	1	1

Fielding Statistics

Career Fielding Totals by Position

Mark Wiley — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	21	4	3	4	1	1

Season-by-Season Fielding

Mark Wiley — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
1975	MIN	P	15	3	3	3	1	1
1978	SDN	P	4	1	0	1	0	0
1978	TOR	P	2	0	0	0	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Mark Wiley — Career Games by Position
Position	Games
Pitcher	21

College History

Mark Wiley — College History
School Name	City	State	Years Attended
California Polytechnic State University - Pomona	Pomona	CA	1968, 1969, 1970

Mark Wiley: the record in brief

Mark Wiley's major league career runs from a debut on June 17, 1975 to a final game on September 29, 1978. Wiley played for the Minnesota Twins (1975), the San Diego Padres (1978), and the Toronto Blue Jays (1978). Born on February 28, 1948, in National City, CA, USA, Wiley is listed as a pitcher and threw and hit right-handed. Size on record: 6'1" and 200 pounds. Mark Wiley was the playing name; the full given name is Mark Eugene.

The pitching table credits Wiley with a 2-3 record and a 6.06 ERA in 21 games. The totals include 18 strikeouts. Against a 3.70 league ERA for the same seasons, the 6.06 mark was 63.9% worse. 1975 was Wiley's sharpest full season, a 6.05 ERA against the league's 3.71.

The position breakdown shows 21 games, all at pitcher. Fielding on the mound produced 3 putouts and 4 assists against 1 errors.

Frequently Asked Questions about Mark Wiley

What years did Mark Wiley play?: Mark Wiley played in Major League Baseball from 1975 to 1978.
Was Mark Wiley a pitcher?: Yes. Mark Wiley pitched in the major leagues, recording 2 wins and 18 strikeouts.
How many home runs did Mark Wiley hit?: Mark Wiley hit 0 career home runs.
What was Mark Wiley's career batting average?: Mark Wiley batted .000 over his career, with 0 hits in 2 at bats.
What was Mark Wiley's career ERA?: Mark Wiley finished with a 6.06 career ERA, going 2-3 with 18 strikeouts.
How many strikeouts did Mark Wiley have?: Mark Wiley recorded 18 career strikeouts.