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| Name | Team | Age |
| Jay Knepper | Retired (1962, Age 36) | Died (1983, Age 57) |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 11 (1948) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Jesse Orosco League | 0 | 12 years (97 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 | 2/18/1926 | |
| 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 | League | Award |
| 1960 | AL | All Star Reserve (RP) |
| Date | Transaction |
| 1962-11-01 | Jay Knepper has retired from the Boston Commons |
| 1962-09-27 | The Boston Commons have promoted Jay Knepper to the major league team. |
| 1962-07-02 | The Boston Commons have acquired Jay Knepper from the waiver wire. |
| 1962-06-05 | The Kansas City Plainsmen have waived Jay Knepper. |
| 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. |
| 1961-06-28 | Jay Knepper of the Kansas City Plainsmen is injured and is expected to be out 52 days. |
| 1959-09-27 | Jay Knepper of the Kansas City Plainsmen is injured and is expected to be out 27 days. |
| 1958-05-08 | Jay Knepper of the Kansas City Plainsmen is injured and is expected to be out 6 days. |
| 1955-05-17 | Jay Knepper of the Kansas City Plainsmen is injured and is expected to be out 22 days. |
| 1954-07-18 | A trade has been completed between the Arizona Sueros and the Kansas City Plainsmen. The Kansas City Plainsmen receive Jay Knepper, Tom Johnson from the Arizona Sueros in exchange for Draft Pick 1955 Round 1 KC (Duke LeMay), Draft Pick 1955 Round 2 SF (Andy Martinez). |
| 1954-03-25 | The Arizona Sueros have promoted Jay Knepper to the major league team. The Arizona Sueros have designated Doc Cipriani for assignment. The Arizona Sueros have designated Don Belcher for assignment. |
| 1953-09-02 | The Arizona Sueros have promoted Buck Mason to the major league team. The Arizona Sueros have sent Jay Knepper to the minors. |
| 1953-03-25 | The Arizona Sueros have promoted David Easler to the major league team. The Arizona Sueros have promoted Jay Knepper to the major league team. The Arizona Sueros have promoted Larry Cantrell to the major league team. The Arizona Sueros have promoted Jeff Settlemire to the major league team. The Arizona Sueros have sent Charles Ruiz to the minors. The Arizona Sueros have sent Jerry Podres to the minors. |
| 1952-08-23 | The Arizona Sueros have promoted Bob Thomas to the major league team. The Arizona Sueros have sent Jay Knepper to the minors. |
| 1951-09-24 | Jay Knepper of the Arizona Sueros is injured and is expected to be out 15 days. |
| 1951-07-18 | Jay Knepper of the Arizona Sueros is injured and is expected to be out 30 days. |
| 1950-04-01 | The Arizona Sueros have promoted Jay Knepper to the major league team. The Arizona Sueros have promoted Ben Moulder to the major league team. |