Jack Heidemann

Shortstop · Career Stats, Bio & Records (1969-1977)

Jack Heidemann was a shortstop who played in Major League Baseball from 1969 to 1977 for 4 teams, including the Cleveland Guardians, a span of 9 seasons. In 426 career games, he hit .211 with 231 hits, 9 home runs, and 75 RBI.

AVG (Batting Average):
Hits divided by at bats. .300 is the traditional mark of an excellent hitter.
HR (Home Runs):
Hits on which the batter circled the bases and scored, almost always by clearing the outfield fence.
RBI (Runs Batted In):
Runs that scored as a direct result of a batter's plate appearance.
OPS (On-Base Plus Slugging):
On-base percentage plus slugging percentage, the quickest single summary of offensive value. .900 or better is star-level.

Data updated

AVG .211
HR 9
RBI 75
H 231
OPS .532
PIV -3,703
Position
Shortstop
Bats / Throws
R / R
Height / Weight
6'0" / 175 lb
Born
7/11/1949 in Brenham, TX, USA
MLB Debut
1969-05-02
Last Game
1977-05-10

Full name: Jack Seale Heidemann

📊 Compare This Player 📈 View Career Timeline

Career Batting Statistics

Jack Heidemann — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
426 1,093 94 231 27 4 9 75 5 78 203 .211 .264 .268 .532 -3,703

Career AVG .211 vs. league average .254 across their career seasons — 16.7% below league average.

Career OBP .264 vs. league average .322 across their career seasons — 17.9% below league average.

Career SLG .268 vs. league average .373 across their career seasons — 28.1% below league average.

Career OPS .532 vs. league average .695 across their career seasons — 23.4% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Jack Heidemann Stats, Bio & Career Records
Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
1969 CLE AL 3 3 0 0 0 0 0 0 0 0 2 .000 — — — — 0.0
1970 CLE AL 133 445 44 94 14 2 6 37 2 34 88 .211 .253 (-17%) .325 (-19%) .385 (-24%) .711 (-22%) -1623.0
1971 CLE AL 81 240 16 50 7 0 0 9 1 12 46 .208 .249 (-16%) .316 (-21%) .365 (-35%) .682 (-28%) -1028.5
1972 CLE AL 10 20 0 3 0 0 0 0 0 2 3 .150 — — — — 0.0
1974 CLE AL 12 11 2 1 0 0 0 0 0 0 2 .091 — — — — 0.0
1974 SLN NL 47 70 8 19 1 0 0 3 0 5 10 .271 .256 (+6%) .324 (-1%) .369 (-23%) .693 (-13%) 0.0
1975 NYN NL 61 145 12 31 4 2 1 16 1 17 28 .214 .257 (-17%) .327 (-11%) .374 (-23%) .701 (-17%) -402.0
1976 NYN NL 5 12 0 1 0 0 0 0 0 0 0 .083 — — — — 0.0
1976 ML4 AL 69 146 11 32 1 0 2 10 1 7 24 .219 .255 (-14%) .320 (-21%) .360 (-26%) .681 (-24%) 0.0
1977 ML4 AL 5 1 1 0 0 0 0 0 0 1 0 .000 — — — — 0.0
Career · 10 seasons 426 1,093 94 231 27 4 9 75 5 78 203 .211 — — — — -3,054

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 (426 games) →

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

Batting — Home / Away

Jack Heidemann — Batting — Home / Away
SplitGABRHHRRBIAVG
Home21356152129539.230
Away21353242102436.192

Last 10 Games — Batting

Jack Heidemann — Last 10 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
1977-05-10 MILCLEL 100000000
1977-05-08 MILDETW 000000000
1977-05-04 MILTORL 000000000
1977-04-30 MILCLEL 000000010
1977-04-19 MILOAKW 010000000
1976-10-03 MILDETL 302000000
1976-10-01 MILDETL 300000000
1976-09-29 MILBALW 411000000
1976-09-28 MILBALL 301000001
1976-09-23 MILBOSL 411001100

Fielding Statistics

Career Fielding Totals by Position

Jack Heidemann — Career Fielding Totals by Position
Position G GS PO A E DP
1B 1 0 2 0 0 0
2B 28 16 51 48 1 21
3B 51 36 32 52 4 2
SS 322 258 455 702 42 140

Season-by-Season Fielding

Jack Heidemann — Season-by-Season Fielding
Year Team Pos G GS PO A E DP
1969 CLE SS 3 2 1 5 0 0
1970 CLE SS 132 131 216 354 23 79
1971 CLE SS 81 74 113 188 7 34
1972 CLE SS 10 6 10 17 1 3
1974 CLE 1B 1 0 2 0 0 0
1974 CLE 2B 1 0 1 1 0 1
1974 CLE 3B 6 2 1 2 0 0
1974 CLE SS 4 0 1 3 0 0
1974 SLN 3B 1 0 0 0 0 0
1974 SLN SS 45 11 42 46 3 9
1975 NYN 2B 1 0 1 0 1 0
1975 NYN 3B 4 2 1 5 1 0
1975 NYN SS 44 32 70 84 8 14
1976 NYN 2B 1 1 3 2 0 2
1976 NYN SS 3 2 2 5 0 1
1976 ML4 2B 24 15 44 44 0 17
1976 ML4 3B 40 32 30 45 3 2
1977 ML4 2B 1 0 2 1 0 1

Career Games by Position

Position Diamond

Circle size = games played at each position.

Jack Heidemann Stats, Bio & Career Records
Position Games
First Base 1
Second Base 28
Third Base 51
Shortstop 322
Designated Hitter 4

Most Similar Players

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

Career Spans

Jack Heidemann (highlighted) compared to peers across the same era.

  1. 98
    Nick Allen
    .221 avg, 12 HR
  2. 42
    Mick Kelleher
    .213 avg, 0 HR
  3. 32
    Mike Lehane
    .213 avg, 1 HR
  4. 30
    Jackie Hernandez
    .208 avg, 12 HR
  5. 30
    Joe Dolan
    .214 avg, 6 HR
  6. 30
    Hector Torres
    .216 avg, 18 HR

Jack Heidemann: the record in brief

May 2, 1969 and May 10, 1977 bracket Jack Heidemann's time in the majors: the debut and the last game on record. Heidemann played for the Cleveland Indians (1969 to 1974), the St. Louis Cardinals (1974), the New York Mets (1975 to 1976), and the Milwaukee Brewers (1976 to 1977). Heidemann, born on July 11, 1949, in Brenham, TX, USA, is listed as a shortstop and batted and threw right-handed. Size on record: 175 pounds on a 6-foot-0 frame. Heidemann's full given name, per the bio, is Jack Seale Heidemann.

Across 426 games at the plate, Heidemann's career line reads 231 hits in 1,093 at bats for a .211 average, along with 9 homers and 75 RBI. Heidemann got on base at a .264 rate and slugged .268 (.532 OPS). Set against a .254 league average for the same years, Heidemann's .211 average sits 16.7% below it. By OPS the gap is 23.4% below league average (.532 against .695). No season topped the 94 hits of 1970. Even the best average among the busiest seasons, .211 in 1970, did not top the league's .253.

Frequently Asked Questions about Jack Heidemann

What years did Jack Heidemann play?
Jack Heidemann played in Major League Baseball from 1969 to 1977.
Was Jack Heidemann a pitcher?
No. Jack Heidemann was a position player (Shortstop).
How many home runs did Jack Heidemann hit?
Jack Heidemann hit 9 career home runs with 231 hits.
What teams did Jack Heidemann play for?
Jack Heidemann played for 4 teams: the Cleveland Indians (1969–1972, 1974), the St. Louis Cardinals (1974), the New York Mets (1975–1976), and the Milwaukee Brewers (1976–1977).
What were Jack Heidemann's career stats?
In 426 games, Jack Heidemann had 231 hits, 9 home runs, 75 RBI, 94 runs, and 5 stolen bases, with a .211 batting average.
What position did Jack Heidemann play?
Jack Heidemann played primarily as a shortstop, the position where he appeared in the most games.
How tall was Jack Heidemann and how much did he weigh?
Jack Heidemann was listed at 6 feet and 175 pounds.
How many home runs did Jack Heidemann hit each season?
Jack Heidemann's home runs by season: 0 in 1969, 6 in 1970, 0 in 1971, 0 in 1972, 0 in 1974, 1 in 1975, 2 in 1976, and 0 in 1977. His most in one season was 6, in 1970.
What was Jack Heidemann's career batting average?
Jack Heidemann batted .211 over his career, with 231 hits in 1,093 at bats.
How many RBI did Jack Heidemann have?
Jack Heidemann drove in 75 runs in his career.
Is Jack Heidemann in the Hall of Fame?
No. Jack Heidemann has not been inducted into the National Baseball Hall of Fame.