John Costello

Pitcher · Career Stats, Bio & Records (1988-1991)

W–L 11–6
ERA 2.97
WHIP 1.30
SO 104
Pitcher PIV 654.4
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'1" / 190 lb
Born
12/24/1960 in Bronx, NY, USA
MLB Debut
1988-06-02
Last Game
1991-10-05

Full name: John Reilly Costello

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Career Pitching Statistics

W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
11 6 119 0 0 0 4 157.7 141 52 13 64 104 2.97 654.4

Career ERA 2.97 vs. league average 3.80 across their career seasons — 22.0% better than league average.

Season-by-Season Pitching

Pitching Career Arc

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Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1988 SLN NL 5 2 36 0 0 0 1 49.7 44 10 25 38 1.81 3.73 (+51%) 250.3
1989 SLN NL 5 4 48 0 0 0 3 62.3 48 23 20 40 3.32 3.71 (+11%) 204.1
1990 SLN NL 0 0 4 0 0 0 0 4.3 7 3 1 1 6.23 — 0.0
1990 MON NL 0 0 4 0 0 0 0 6.3 5 4 1 1 5.68 — 0.0
1991 SDN NL 1 0 27 0 0 0 0 35.0 37 12 17 24 3.09 3.91 (+21%) 200.0
Career · 5 seasons 11 6 119 0 0 0 4 157.2 141 52 64 104 2.97 — 654

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

G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
119 12 0 0 0 0 0 0 0 0 9 .000 .000 .000 .000 0

Career AVG .000 vs. league average .255 across their career seasons — 100.0% below league average.

Career OBP .000 vs. league average .321 across their career seasons — 100.0% below league average.

Career SLG .000 vs. league average .381 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.

Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
1988 SLN NL 36 5 0 0 0 0 0 0 0 0 3 .000 — — — — 0.0
1989 SLN NL 48 6 0 0 0 0 0 0 0 0 5 .000 — — — — 0.0
1990 SLN NL 4 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
1990 MON NL 4 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
1991 SDN NL 27 1 0 0 0 0 0 0 0 0 1 .000 — — — — 0.0
Career · 5 seasons 119 12 0 0 0 0 0 0 0 0 9 .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 (238 games) →

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

Batting — Home / Away

SplitGABRHHRRBIAVG
Home6260000.000
Away5760000.000

Pitching — Home / Away

SplitGIPHERBBSOERA
Home6278.1621436411.61
Away5779.1793828634.31

Last 10 Games — Pitching

DateTmOppDecIPHRERBBSOHR
1991-10-05 SDPCIN — 1.0100010
1991-09-28 SDPCIN — 2.0100030
1991-09-20 SDPSFG W 2.1100120
1991-09-18 SDPATL — 0.1000000
1991-08-06 SDPHOU — 2.1000120
1991-08-04 SDPATL — 0.1322000
1991-07-31 SDPPHI — 1.0333100
1991-07-27 SDPNYN — 3.0000200
1991-07-24 SDPWSN — 2.0200220
1991-07-20 SDPPHI — 1.0100010

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
P 119 0 6 12 0 0

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
1988 SLN P 36 0 3 3 0 0
1989 SLN P 48 0 3 4 0 0
1990 SLN P 4 0 0 0 0 0
1990 MON P 4 0 0 0 0 0
1991 SDN P 27 0 0 5 0 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position Games
Pitcher 119

Salary History

Year Team League Salary
1990 SLN NL $105,000
1989 SLN NL $85,000
Total Career Earnings $190,000

College History

School Name City State Years Attended
Mercyhurst College Erie PA 1980, 1981, 1982, 1983

Frequently Asked Questions about John Costello

What years did John Costello play?
John Costello played in Major League Baseball from 1988 to 1991.
Was John Costello a pitcher?
Yes. John Costello pitched in the major leagues, recording 11 wins and 104 strikeouts.
How many home runs did John Costello hit?
John Costello hit 0 career home runs.