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| Name | Team | Age |
| Jon Heinkel | Retired (1966, Age 37) | Died (2004, Age 75) |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 4 (1950) |
RP | R/L |
| League | Option Years
|
Majors Service Time |
| Ed ONeill League | 0 | 17 years (20 games) |
| Total Rating
|
Arm | Range |
| Contact vs R | Contact vs L | Speed |
| Power vs R | Power vs L | Bunting |
| Endurance | Velocity | Control |
| Leadership
|
Mentor Value
|
|
| Health
|
Injured Days
|
Birthday |
| 0 | 10/20/1929 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 1 | 5 |
| Alt Pos (---) | Alt Pos (---) | Alt Pos (---) |
| (0.0 %) | (0.0 %) | (0.0 %) |
Stats | Splits | Playoffs | Energy | Improvements | Past Skills | Awards | Batting | Fielding | Game Log
| Year | Type
|
Chances
|
Endurance | Velocity | Control | Total |
| 1950 | Majors | 31.57 | 1 / 2 | 2 / 17 | 2 / 12 | 5 / 31 |
| 1951 | Majors | 41.82 | 3 / 8 | 2 / 18 | 0 / 15 | 5 / 41 |
| 1952 | Majors | 41.10 | 5 / 8 | 1 / 17 | 1 / 16 | 7 / 41 |
| 1953 | Majors | 43.36 | 4 / 8 | 2 / 16 | 1 / 19 | 7 / 43 |
| 1954 | Majors | 41.28 | 2 / 6 | 2 / 13 | 4 / 22 | 8 / 41 |
| 1955 | Majors | 40.89 | 3 / 11 | 1 / 17 | 2 / 12 | 6 / 40 |
| 1956 | Majors | 46.65 | 2 / 13 | 0 / 17 | 0 / 16 | 2 / 46 |
| 1957 | Majors | 44.35 | 0 / 7 | 1 / 23 | 2 / 14 | 3 / 44 |
| 1958 | Majors | 44.16 | 1 / 9 | 0 / 16 | 0 / 19 | 1 / 44 |
| 1959 | Majors | 42.77 | 0 / 12 | 0 / 15 | 0 / 15 | 0 / 42 |
| 1960 | Majors | 42.60 | 0 / 8 | 0 / 20 | 1 / 14 | 1 / 42 |
| 1961 | Majors | 46.88 | 0 / 8 | 1 / 22 | 1 / 16 | 2 / 46 |
| 1962 | Majors | 49.09 | 1 / 12 | 0 / 19 | 0 / 18 | 1 / 49 |
| 1963 | Majors | 50.33 | 0 / 11 | -2 / 24 | -4 / 15 | -6 / 50 |
| 1964 | Majors | 48.56 | -3 / 15 | -7 / 19 | -3 / 14 | -13 / 48 |
| 1965 | Majors | 52.76 | 1 / 11 | -2 / 23 | -3 / 18 | -4 / 52 |
| 1966 | Majors | 52.10 | -2 / 16 | -5 / 15 | -5 / 21 | -12 / 52 |
| Total | 18 / 165 | -4 / 311 | -1 / 276 | 13 / 752 |
| Date | Transaction |
| 1966-11-01 | Jon Heinkel has retired from the Boston Dinosauria |
| 1964-11-01 | Jon Heinkel now holds the league record for career pitching appearances. |
| 1960-07-20 | Jon Heinkel of the Boston Dinosauria is injured and is expected to be out 17 days. |
| 1959-07-09 | A trade has been completed between the Boston Dinosauria and the St. Louis Mules. The St. Louis Mules receive Al Markham, Lemmiwinks Kallen, Draft Pick 1960 Round 2 BOS (Cuno Aliva) from the Boston Dinosauria in exchange for Jon Heinkel. |
| 1955-09-24 | Jon Heinkel of the St. Louis Mules is injured and is expected to be out 8 days. |