What years did John Mackinson play?

John Mackinson played in Major League Baseball from 1953 to 1955.

Was John Mackinson a pitcher?

Yes. John Mackinson pitched in the major leagues, recording 0 wins and 8 strikeouts.

How many home runs did John Mackinson hit?

John Mackinson hit 0 career home runs.

What teams did John Mackinson play for?

John Mackinson played for 2 teams: the Philadelphia Athletics (1953) and the St. Louis Cardinals (1955).

What were John Mackinson's career stats?

In 9 games, John Mackinson went 0-1 with a 7.36 ERA, 8 strikeouts, and 22.0 innings pitched.

What position did John Mackinson play?

John Mackinson played primarily as a pitcher, the position where he appeared in the most games.

How tall was John Mackinson and how much did he weigh?

John Mackinson was listed at 5 feet 10 inches and 160 pounds.

What was John Mackinson's career ERA?

John Mackinson finished with a 7.36 career ERA, going 0-1 with 8 strikeouts.

How many strikeouts did John Mackinson have?

John Mackinson recorded 8 career strikeouts.

Is John Mackinson in the Hall of Fame?

No. John Mackinson has not been inducted into the National Baseball Hall of Fame.

John Mackinson

Pitcher · Career Stats, Bio & Records (1953-1955)

John Mackinson was a pitcher who played in Major League Baseball from 1953 to 1955 for the Philadelphia Athletics and the St. Louis Cardinals, a span of 3 seasons. Across 9 career appearances, he went 0-1 with a 7.36 ERA and 8 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 0–1

ERA 7.36

WHIP 1.68

SO 8

Pitcher PIV -557.6

Position: Pitcher
Bats / Throws: R / R
Height / Weight: 5'10" / 160 lb
Born: 10/29/1923 in Orange, NJ, USA
Died: 10/17/1989 in Reseda, CA, USA
MLB Debut: 1953-04-16
Last Game: 1955-09-19

Full name: John Joseph Mackinson

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Career Pitching Statistics

John Mackinson — Career Pitching Statistics
W	L	G	GS	CG	SHO	SV	IP	H	ER	HR	BB	SO	ERA	Pitcher PIV
0	1	9	1	0	0	0	22.0	25	18	3	12	8	7.36	-557.6

Career ERA 7.36 vs. league average 4.07 across their career seasons — 81.0% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

John Mackinson — Season-by-Season Pitching
Year	Team	Lg	L	G	GS	IP	H	ER	BB	SO	ERA	Lg ERA	Pitcher PIV
1953	PHA	AL	0	1	0	1.1	1	0	2	0	0.00	—	0.0
1955	SLN	NL	1	8	1	20.2	24	18	10	8	7.84	4.00 (-96%)	-557.6
Career · 2 seasons			1	9	1	22.0	25	18	12	8	7.36	—	-558

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

John Mackinson — Career Batting Statistics
G	AB	R	H	2B	3B	HR	RBI	SB	BB	SO	AVG	OBP	SLG	OPS	PIV
10	4	0	0	0	0	0	0	0	1	0	.000	.200	.000	.200	0

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

Career OBP .200 vs. league average .334 across their career seasons — 40.1% below league average.

Career SLG .000 vs. league average .396 across their career seasons — 100.0% below league average.

Career OPS .200 vs. league average .730 across their career seasons — 72.6% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

John Mackinson — Season-by-Season Batting
Year	Team	Lg	G	AB	BB	AVG	Lg AVG	Lg OBP	Lg SLG	Lg OPS	PIV
1953	PHA	AL	1	0	0	.000	—	—	—	—	0.0
1955	SLN	NL	9	4	1	.000	—	—	—	—	0.0
Career · 2 seasons			10	4	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 (19 games) →

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

Batting — Home / Away

John Mackinson — Batting — Home / Away
Split	G	AB	R	H	HR	RBI	AVG
Home	4	1	0	0	0	0	.000
Away	6	3	0	0	0	0	.000

Pitching — Home / Away

John Mackinson — Pitching — Home / Away
Split	G	IP	H	ER	BB	SO	ERA
Home	3	10.1	10	6	4	3	5.23
Away	6	11.2	15	12	8	5	9.26

Last 10 Games — Batting

John Mackinson — Last 10 Games — Batting
Date	Tm	Opp	Res	AB	BB
1955-09-19	STL	CHC	W	0	0
1955-09-02	STL	CHC	L	1	0
1955-08-29	STL	BRO	L	0	0
1955-08-27	STL	PHI	L	0	0
1955-08-25	STL	PHI	L	0	0
1955-08-25	STL	PHI	L	1	0
1955-08-20	STL	CIN	L	1	0
1955-08-18	STL	ATL	L	0	0
1955-08-17	STL	ATL	L	1	1
1953-04-16	PHA	BOS	L	0	0

Last 9 Games — Pitching

John Mackinson — Last 9 Games — Pitching
Date	Tm	Opp	Dec	IP	H	R	ER	BB	SO	HR
1955-09-02	STL	CHC	—	4.0	6	3	3	0	1	1
1955-08-29	STL	BRO	—	0.2	0	0	0	0	1	0
1955-08-27	STL	PHI	—	1.0	2	0	0	0	0	0
1955-08-25	STL	PHI	—	2.0	2	2	2	2	2	0
1955-08-25	STL	PHI	—	0.1	1	3	3	2	0	0
1955-08-20	STL	CIN	L	3.2	4	4	4	4	1	1
1955-08-18	STL	ATL	—	3.0	3	1	1	0	0	0
1955-08-17	STL	ATL	—	6.0	6	5	5	2	3	1
1953-04-16	PHA	BOS	—	1.1	1	0	0	2	0	0

Fielding Statistics

Career Fielding Totals by Position

John Mackinson — Career Fielding Totals by Position
Position	G	GS	PO	A	E	DP
P	9	1	0	4	0	0

Season-by-Season Fielding

John Mackinson — Season-by-Season Fielding
Year	Team	Pos	G	GS	PO	A	E	DP
1953	PHA	P	1	0	0	0	0	0
1955	SLN	P	8	1	0	4	0	0

Career Games by Position

Position Diamond

Circle size = games played at each position.

John Mackinson — Career Games by Position
Position	Games
Pitcher	9

John Mackinson: the record in brief

According to the bio, John Mackinson debuted on April 16, 1953 and played a final game on September 19, 1955. Club by club, the record runs the Philadelphia Athletics (1953) and the St. Louis Cardinals (1955). Mackinson, born on October 29, 1923, in Orange, NJ, USA, is listed as a pitcher and batted and threw right-handed. The bio gives 5'10" and 160 pounds. The bio records the death on October 17, 1989, in Reseda, CA, USA. The given name on file is John Joseph Mackinson.

Mackinson went 0-1 with a 7.36 ERA in 9 games, 1 of them starts. Mackinson had 8 strikeouts. Against a 4.07 league ERA for the same seasons, the 7.36 mark was 81.0% worse. In 1955, one of the busiest seasons, Mackinson posted a 7.84 ERA; the league figure that year was 4.00.

The game-log section draws on 19 games of Retrosheet box scores for Mackinson.

The position breakdown shows 9 games, all at pitcher.

Frequently Asked Questions about John Mackinson

What years did John Mackinson play?: John Mackinson played in Major League Baseball from 1953 to 1955.
Was John Mackinson a pitcher?: Yes. John Mackinson pitched in the major leagues, recording 0 wins and 8 strikeouts.
How many home runs did John Mackinson hit?: John Mackinson hit 0 career home runs.
What teams did John Mackinson play for?: John Mackinson played for 2 teams: the Philadelphia Athletics (1953) and the St. Louis Cardinals (1955).
What were John Mackinson's career stats?: In 9 games, John Mackinson went 0-1 with a 7.36 ERA, 8 strikeouts, and 22.0 innings pitched.
What position did John Mackinson play?: John Mackinson played primarily as a pitcher, the position where he appeared in the most games.
How tall was John Mackinson and how much did he weigh?: John Mackinson was listed at 5 feet 10 inches and 160 pounds.
What was John Mackinson's career ERA?: John Mackinson finished with a 7.36 career ERA, going 0-1 with 8 strikeouts.
How many strikeouts did John Mackinson have?: John Mackinson recorded 8 career strikeouts.
Is John Mackinson in the Hall of Fame?: No. John Mackinson has not been inducted into the National Baseball Hall of Fame.