Jim Konstanty

Pitcher · Career Stats, Bio & Records (1944-1956)

W–L 66–48
ERA 3.46
WHIP 1.30
SO 268
Pitcher PIV -964.1
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'1" / 202 lb
Born
3/2/1917 in Strykersville, NY, USA
Died
6/11/1976 in Oneonta, NY, USA
MLB Debut
1944-06-18
Last Game
1956-09-19
Awards
All-Star · MVP

Full name: Casimir James Konstanty

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Career Pitching Statistics

W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
66 48 433 36 14 2 74 945.7 957 364 88 269 268 3.46 -964.1

Career ERA 3.46 vs. league average 3.94 across their career seasons — 12.1% better than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1944 CIN NL 6 4 20 12 5 1 0 112.7 113 35 33 19 2.80 3.57 (+22%) -2650.1
1946 BSN NL 0 1 10 1 0 0 0 15.3 17 9 7 9 5.28 3.59 (-47%) -339.9
1948 PHI NL 1 0 6 0 0 0 2 9.7 7 1 2 7 0.93 4.10 (+77%) 0.0
1949 PHI NL 9 5 53 0 0 0 7 97.0 98 35 29 43 3.25 4.12 (+21%) 890.0
1950 PHI NL 16 7 74 0 0 0 22 152.0 108 45 50 56 2.66 4.36 (+39%) 2291.9
1951 PHI NL 4 11 58 1 0 0 9 115.7 127 52 31 27 4.05 4.04 (avg) 628.0
1952 PHI NL 5 3 42 2 2 1 6 80.0 87 35 21 16 3.94 3.70 (-6%) -1075.9
1953 PHI NL 14 10 48 19 7 0 5 170.7 198 84 42 45 4.43 4.14 (-7%) -378.1
1954 PHI NL 2 3 33 1 0 0 3 50.3 62 21 12 11 3.75 3.90 (+4%) -738.5
1954 NYA AL 1 1 9 0 0 0 2 18.3 11 2 6 3 0.98 3.90 (+75%) 388.7
1955 NYA AL 7 2 45 0 0 0 11 73.7 68 19 24 19 2.32 4.00 (+42%) 536.1
1956 NYA AL 0 0 8 0 0 0 2 11.0 15 6 6 6 4.91 3.96 (-24%) -686.3
1956 SLN NL 1 1 27 0 0 0 5 39.3 46 20 6 7 4.58 3.96 (-15%) 170.0
Career · 13 seasons 66 48 433 36 14 2 74 945.2 957 364 269 268 3.46 — -964

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
433 202 7 33 2 0 0 14 0 3 41 .163 .179 .173 .352 -323

Career AVG .163 vs. league average .261 across their career seasons — 37.3% below league average.

Career OBP .179 vs. league average .334 across their career seasons — 46.6% below league average.

Career SLG .173 vs. league average .382 across their career seasons — 54.7% below league average.

Career OPS .352 vs. league average .717 across their career seasons — 50.9% 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
1944 CIN NL 20 34 2 10 0 0 0 2 0 1 5 .294 — — — — 0.0
1946 BSN NL 10 2 0 0 0 0 0 0 0 1 0 .000 — — — — 0.0
1948 PHI NL 6 3 1 0 0 0 0 0 0 0 0 .000 — — — — 0.0
1949 PHI NL 53 17 0 3 0 0 0 1 0 0 4 .176 — — — — 0.0
1950 PHI NL 74 37 0 4 0 0 0 3 0 0 13 .108 — — — — 0.0
1951 PHI NL 58 19 0 3 1 0 0 0 0 0 5 .158 — — — — 0.0
1952 PHI NL 42 14 1 1 1 0 0 2 0 1 2 .071 — — — — 0.0
1953 PHI NL 48 50 3 11 0 0 0 5 0 0 7 .220 .264 (-17%) .335 (-34%) .397 (-45%) .733 (-40%) -323.0
1954 PHI NL 33 13 0 0 0 0 0 0 0 0 4 .000 — — — — 0.0
1954 NYA AL 9 3 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
1955 NYA AL 45 8 0 1 0 0 0 0 0 0 0 .125 — — — — 0.0
1956 NYA AL 8 2 0 0 0 0 0 0 0 0 1 .000 — — — — 0.0
1956 SLN NL 27 0 0 0 0 0 0 1 0 0 0 .000 — — — — 0.0
Career · 13 seasons 433 202 7 33 2 0 0 14 0 3 41 .163 — — — — -323

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.

Postseason Statistics

Playoff Career Batting

G AB R H 2B 3B HR RBI BB SO AVG
3 4 0 1 0 0 0 0 0 1 .250

Playoff Batting by Year

Year Round Team G AB R H 2B 3B HR RBI BB SO AVG
1950 WS PHI 3 4 0 1 0 0 0 0 0 1 .250

Playoff Career Pitching

W L G GS SV IP H ER BB SO ERA
0 1 3 1 0 15.0 9 4 4 3 2.40

Playoff Pitching by Year

Year Round Team W L G GS SV IP H ER BB SO ERA
1950 WS PHI 0 1 3 1 0 15.0 9 4 4 3 2.40

Game Log & Splits

View full game log (866 games) →

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

Batting — Home / Away

SplitGABRHHRRBIAVG
Home2178941104.124
Away216111322010.198

Pitching — Home / Away

SplitGIPHERBBSOERA
Home217480.24881801501443.37
Away216465.04651771201263.43

Last 10 Games — Pitching

DateTmOppDecIPHRERBBSOHR
1956-09-19 STLBRO — 1.1222100
1956-09-16 STLPIT — 2.0311000
1956-09-03 STLCHC — 2.0544012
1956-09-02 STLATL — 1.0000000
1956-08-29 STLPHI — 2.0311010
1956-08-18 STLCHC — 2.0511010
1956-08-16 STLATL — 1.0211100
1956-08-12 STLCHC — 2.0200010
1956-08-09 STLATL — 1.0211000
1956-08-07 STLCIN W 1.0000000

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
P 433 1 61 185 10 14

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
1944 CIN P 20 0 10 25 0 1
1946 BSN P 10 0 2 5 0 1
1948 PHI P 6 0 0 1 0 0
1949 PHI P 53 0 3 25 2 0
1950 PHI P 74 0 12 22 2 3
1951 PHI P 58 0 8 29 1 1
1952 PHI P 42 0 6 16 3 1
1953 PHI P 48 0 6 33 0 5
1954 PHI P 33 1 1 11 0 0
1954 NYA P 9 0 4 2 0 0
1955 NYA P 45 0 8 11 2 1
1956 NYA P 8 0 1 0 0 0
1956 SLN P 27 0 0 5 0 1

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position Games
Pitcher 433

Awards & Honors

Year Award Notes
1950 Baseball Magazine All-Star P3
1950 Baseball Magazine All-Star P2
1950 Most Valuable Player
1950 TSN All-Star P
1950 TSN Pitcher of the Year

College History

School Name City State Years Attended
Syracuse University Syracuse NY 1937, 1938, 1939

Award Voting History

Year Award League Finish Points Won Points Max Votes First
1950 Most Valuable Player NL 1st 286.0 336 18

Most Similar Players

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

Career Spans

Jim Konstanty (highlighted) compared to peers across the same era.

  1. 98
    Tom Morgan
    67-47, 3.61 ERA
  2. 77
    Hugh Casey
    75-42, 3.45 ERA
  3. 74
    Pedro Borbon
    69-39, 3.52 ERA
  4. 67
    Tom Ferrick
    40-40, 3.47 ERA
  5. 65
    Sandy Consuegra
    51-32, 3.37 ERA
  6. 60
    Ted Wilks
    59-30, 3.26 ERA

Frequently Asked Questions about Jim Konstanty

What years did Jim Konstanty play?
Jim Konstanty played in Major League Baseball from 1944 to 1956.
Was Jim Konstanty a pitcher?
Yes. Jim Konstanty pitched in the major leagues, recording 66 wins and 268 strikeouts.
How many home runs did Jim Konstanty hit?
Jim Konstanty hit 0 career home runs with 33 hits.