What years did Mark Calvert play?

Mark Calvert played in Major League Baseball from 1983 to 1984.

Was Mark Calvert a pitcher?

Yes. Mark Calvert pitched in the major leagues, recording 3 wins and 19 strikeouts.

How many home runs did Mark Calvert hit?

Mark Calvert hit 0 career home runs.

What was Mark Calvert's career batting average?

Mark Calvert batted .000 over his career, with 0 hits in 16 at bats.

What was Mark Calvert's career ERA?

Mark Calvert finished with a 5.71 career ERA, going 3-8 with 19 strikeouts.

How many strikeouts did Mark Calvert have?

Mark Calvert recorded 19 career strikeouts.

Mark Calvert

Pitcher · Career Stats, Bio & Records (1983-1984)

Mark Calvert was a pitcher who played in Major League Baseball from 1983 to 1984 for the San Francisco Giants, a span of 2 seasons. Across 28 career appearances, he went 3-8 with a 5.71 ERA and 19 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 3–8

ERA 5.71

WHIP 1.86

SO 19

Pitcher PIV -2647.9

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 6'1" / 195 lb
Born: 9/29/1956 in Tulsa, OK, USA
MLB Debut: 1983-04-17
Last Game: 1984-09-30

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Career Pitching Statistics

Mark Calvert — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
3	8	28	9	1	0	0	69.1	86	44	6	43	19	5.71	-2647.9

Career ERA 5.71 vs. league average 3.84 across their career seasons — 48.7% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Mark Calvert — Season-by-Season Pitching
Year	Team	Lg	W	L	G	GS	CG	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1983	SFN	NL	1	4	18	4	0	37.1	46	26	34	14	6.27	3.87 (-62%)	-1682.2
1984	SFN	NL	2	4	10	5	1	32.0	40	18	9	5	5.06	3.81 (-33%)	-965.8
Career · 2 seasons			3	8	28	9	1	69.1	86	44	43	19	5.71	—	-2,648

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 Calvert — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
28	16	0	0	0	0	0	0	0	1	11	.000	.059	.000	.059	0

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

Career OBP .059 vs. league average .324 across their career seasons — 81.8% below league average.

Career SLG .000 vs. league average .387 across their career seasons — 100.0% below league average.

Career OPS .059 vs. league average .711 across their career seasons — 91.7% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Mark Calvert — Season-by-Season Batting
Year	Team	Lg	G	AB	BB	SO	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1983	SFN	NL	18	8	1	6	.000	—	—	—	—	0.0
1984	SFN	NL	10	8	0	5	.000	—	—	—	—	0.0
Career · 2 seasons			28	16	1	11	.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 (56 games) →

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

Batting — Home / Away

Mark Calvert — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	15	12	0	0	0	0	.000
Away	13	4	0	0	0	0	.000

Pitching — Home / Away

Mark Calvert — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	15	43.1	55	24	18	10	4.98
Away	13	26.0	31	20	25	9	6.92

Last 10 Games — Batting

Mark Calvert — Last 10 Games — Batting
Date	Tm	Opp	Res	AB	SO
1984-09-30	SFG	LAD	L	0	0
1984-09-26	SFG	SDP	L	0	0
1984-09-24	SFG	SDP	L	0	0
1984-09-15	SFG	ATL	L	0	0
1984-08-20	SFG	PHI	L	0	0
1984-08-15	SFG	WSN	L	2	1
1984-08-10	SFG	LAD	W	3	2
1984-08-08	SFG	HOU	L	0	0
1984-08-04	SFG	ATL	W	3	2
1984-07-29	SFG	ATL	L	0	0

Last 10 Games — Pitching

Mark Calvert — Last 10 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1984-09-30	SFG	LAD	—	2.0	1	1	1	0	1	1
1984-09-26	SFG	SDP	—	1.0	1	0	0	0	0	0
1984-09-24	SFG	SDP	—	2.0	2	1	0	1	1	0
1984-09-15	SFG	ATL	—	1.0	2	0	0	1	0	0
1984-08-20	SFG	PHI	L	2.0	7	6	5	1	0	0
1984-08-15	SFG	WSN	L	6.0	8	6	5	0	1	1
1984-08-10	SFG	LAD	W	9.0	5	1	1	1	1	0
1984-08-08	SFG	HOU	L	0.1	2	1	1	1	0	0
1984-08-04	SFG	ATL	W	7.0	7	2	2	3	1	1
1984-07-29	SFG	ATL	L	1.2	5	3	3	1	0	1

Fielding Statistics

Career Fielding Totals by Position

Mark Calvert — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	28	9	7	15	0	0

Season-by-Season Fielding

Mark Calvert — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
1983	SFN	P	18	4	5	7	0	0
1984	SFN	P	10	5	2	8	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Mark Calvert — Career Games by Position
Position	Games
Pitcher	28

College History

Mark Calvert — College History
School Name	City	State	Years Attended
Connors State College	Warner	OK	1976
University of Tulsa	Tulsa	OK	1977, 1978

Mark Calvert: the record in brief

The profile opens with Mark Calvert's first major league game on April 17, 1983; the last one listed came on September 30, 1984. The team column never changes: it is the San Francisco Giants from 1983 to 1984. Calvert played primarily as a pitcher and batted and threw right-handed. Born on September 29, 1956, in Tulsa, OK, USA, Calvert was listed at 195 pounds on a 6-foot-1 frame.

Calvert pitched in 28 games, starting 9, and finished with a 3-8 record and 5.71 ERA. The same table counts 19 strikeouts. Against a 3.84 league ERA for the same seasons, the 5.71 mark was 48.7% worse. Among the heaviest workloads, the lowest ERA was 5.06 in 1984, when the league's was 3.81.

Calvert appears at one position only: pitcher, in 28 games. The fielding table credits Calvert with 7 putouts, 15 assists and 0 errors on the mound.

Before the majors, Calvert played college baseball at Connors State College (1976). Retrosheet box scores cover 56 of Calvert's games, and the full game log is linked from the splits section.

Frequently Asked Questions about Mark Calvert

What years did Mark Calvert play?: Mark Calvert played in Major League Baseball from 1983 to 1984.
Was Mark Calvert a pitcher?: Yes. Mark Calvert pitched in the major leagues, recording 3 wins and 19 strikeouts.
How many home runs did Mark Calvert hit?: Mark Calvert hit 0 career home runs.
What was Mark Calvert's career batting average?: Mark Calvert batted .000 over his career, with 0 hits in 16 at bats.
What was Mark Calvert's career ERA?: Mark Calvert finished with a 5.71 career ERA, going 3-8 with 19 strikeouts.
How many strikeouts did Mark Calvert have?: Mark Calvert recorded 19 career strikeouts.