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| Name | Team | Age |
| Jason Roberts | Retired (1975, Age 34) | Died (2023, Age 82) |
| Drafted | Position | Bats/Throws |
| Round 2, Pick 20 (1960) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Jesse Orosco League | 0 | 11 years (63 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 | 8/16/1941 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 0 | 0 |
| 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
|
Team | W | L | G | GS | CG | SHO | SV | BS | IP | H | R | ER | HBP | BB | SO | WHIP | ERA |
| 1961 | KC | 0 | 1 | 10 | 0 | 0 | 0 | 0 | 1 | 11.2 | 19 | 13 | 13 | 0 | 9 | 7 | 2.40 | 10.03 |
| 1962 | KC | 0 | 4 | 28 | 9 | 0 | 0 | 0 | 1 | 76.0 | 80 | 57 | 50 | 5 | 50 | 55 | 1.71 | 5.92 |
| 1963 | KC | 3 | 6 | 45 | 9 | 0 | 0 | 0 | 0 | 99.0 | 96 | 63 | 54 | 2 | 57 | 73 | 1.55 | 4.91 |
| 1964 | KC | 2 | 1 | 45 | 0 | 0 | 0 | 1 | 0 | 47.1 | 55 | 31 | 31 | 3 | 32 | 38 | 1.84 | 5.89 |
| 1965 | KC | 1 | 7 | 47 | 4 | 0 | 0 | 0 | 2 | 64.1 | 82 | 50 | 46 | 0 | 39 | 52 | 1.88 | 6.44 |
| 1966 | KC | 4 | 9 | 19 | 19 | 0 | 0 | 0 | 0 | 95.0 | 111 | 68 | 64 | 4 | 46 | 82 | 1.65 | 6.06 |
| 1967 | KC | 6 | 12 | 25 | 25 | 1 | 0 | 0 | 0 | 134.1 | 169 | 97 | 92 | 11 | 71 | 98 | 1.79 | 6.16 |
| 1968 | KC | 6 | 5 | 61 | 5 | 0 | 0 | 1 | 0 | 103.0 | 133 | 83 | 78 | 5 | 42 | 98 | 1.70 | 6.82 |
| 1969 | KC | 5 | 7 | 73 | 0 | 0 | 0 | 0 | 1 | 107.0 | 113 | 67 | 62 | 8 | 46 | 97 | 1.49 | 5.21 |
| 1970 | KC | 3 | 6 | 72 | 7 | 0 | 0 | 1 | 2 | 106.1 | 104 | 64 | 58 | 2 | 44 | 92 | 1.39 | 4.91 |
| 1971 | KC | 2 | 3 | 50 | 0 | 0 | 0 | 0 | 0 | 54.0 | 58 | 30 | 29 | 3 | 20 | 38 | 1.44 | 4.83 |
| 1972 | KC | 3 | 6 | 46 | 0 | 0 | 0 | 0 | 3 | 52.0 | 47 | 25 | 24 | 0 | 24 | 39 | 1.37 | 4.15 |
| 1973 | KC | 6 | 1 | 91 | 0 | 0 | 0 | 0 | 2 | 94.2 | 82 | 39 | 38 | 6 | 45 | 85 | 1.34 | 3.61 |
| 1974 | KC | 9 | 4 | 99 | 0 | 0 | 0 | 0 | 2 | 100.0 | 114 | 65 | 64 | 5 | 47 | 84 | 1.61 | 5.76 |
| 1975 | KC | 2 | 1 | 19 | 0 | 0 | 0 | 0 | 0 | 16.2 | 22 | 14 | 14 | 0 | 6 | 19 | 1.68 | 7.56 |
| Total | 52 | 73 | 730 | 78 | 1 | 0 | 3 | 14 | 1161.1 | 1285 | 766 | 717 | 54 | 578 | 957 | 1.60 | 5.56 |
| Date | Transaction |
| 1975-11-01 | Jason Roberts has retired from the Kansas City Plainsmen |
| 1975-06-16 | The Kansas City Plainsmen have promoted Bob Hoelskoetter to the major league team. The Kansas City Plainsmen have promoted John Cammack to the major league team. The Kansas City Plainsmen have designated Dennis Wallace for assignment. The Kansas City Plainsmen have designated Jason Roberts for assignment. |
| 1975-04-26 | Jason Roberts of the Kansas City Plainsmen is injured and is expected to be out 20 days. |
| 1972-08-01 | Jason Roberts of the Kansas City Plainsmen is injured and is expected to be out 36 days. |
| 1971-04-04 | Jason Roberts of the Kansas City Plainsmen is injured and is expected to be out 11 days. |
| 1966-05-13 | The Kansas City Plainsmen have promoted Jason Roberts to the major league team. The Kansas City Plainsmen have designated Rube Kinsella for assignment. |
| 1965-08-21 | The Kansas City Plainsmen have promoted Casey Torve to the major league team. The Kansas City Plainsmen have sent Jason Roberts to the minors. |
| 1965-04-08 | The Kansas City Plainsmen have promoted John Abreu to the major league team. The Kansas City Plainsmen have promoted Jason Roberts to the major league team. The Kansas City Plainsmen have designated Casey Torve for assignment. The Kansas City Plainsmen have designated George Carden for assignment. |
| 1964-10-07 | The Kansas City Plainsmen have sent Jason Roberts to the minors. |
| 1964-08-31 | The Kansas City Plainsmen have promoted Jason Roberts to the major league team. |
| 1964-06-15 | The Kansas City Plainsmen have demoted Jason Roberts to the minor leagues. |
| 1963-06-05 | The Kansas City Plainsmen have promoted Mariano Ganzel to the major league team. The Kansas City Plainsmen have promoted Jason Roberts to the major league team. The Kansas City Plainsmen have designated Woody Faneyte for assignment. |
| 1963-04-01 | The Kansas City Plainsmen have sent Jason Roberts down to the minors. |
| 1962-06-17 | The Kansas City Plainsmen have promoted Jason Roberts to the major league team. |
| 1962-06-11 | The Kansas City Plainsmen have promoted Daryl Singleton to the major league team. The Kansas City Plainsmen have sent Jason Roberts to the minors. |
| 1962-05-15 | The Kansas City Plainsmen have promoted Jason Roberts to the major league team. The Kansas City Plainsmen have designated Jay Knepper for assignment. |
| 1961-08-03 | The Kansas City Plainsmen have sent Jason Roberts to the minors. |
| 1961-07-14 | The Kansas City Plainsmen have promoted Jason Roberts to the major league team. |