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| Name | Team | Age |
| John Gregg | Retired (1967, Age 34) | Died (2007, Age 74) |
| Drafted | Position | Bats/Throws |
| Undrafted (1955) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Mark Fidrych League | 0 | 5 years (126 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 | 7/11/1933 | |
| 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
| Date | Opponent | W | L | GS | SV | BS | IP | H | R | ER | BB | SO | WHIP | ERA |
| Date | Transaction |
| 1967-11-01 | John Gregg has retired from the Toronto Red Jays |
| 1967-04-11 | The Toronto Red Jays have promoted John Gregg to the major league team. |
| 1965-06-24 | The Tampa Bay Yankees have promoted Angel Alston to the major league team. The Tampa Bay Yankees have designated John Gregg for assignment. |
| 1962-06-06 | John Gregg of the Tampa Bay Yankees is injured and is expected to be out 27 days. |
| 1961-10-06 | The Tampa Bay Yankees have promoted John Gregg to the major league team. |
| 1961-06-01 | The Tampa Bay Yankees have promoted Stan Pippen to the major league team. The Tampa Bay Yankees have designated John Gregg for assignment. |
| 1961-04-28 | The Tampa Bay Yankees have promoted Billy Lundgren to the major league team. The Tampa Bay Yankees have promoted John Gregg to the major league team. The Tampa Bay Yankees have sent Mike Sanchez to the minors. The Tampa Bay Yankees have designated Bob Morgan for assignment. |
| 1960-05-21 | The Tampa Bay Yankees have promoted Clarence Dagres to the major league team. The Tampa Bay Yankees have sent John Gregg to the minors. |
| 1960-04-14 | The Tampa Bay Yankees have promoted John Gregg to the major league team. The Tampa Bay Yankees have designated Bill Siebler for assignment. |
| 1960-04-01 | The Tampa Bay Yankees have designated Art Caveney for assignment. The Tampa Bay Yankees have sent John Gregg to the minors. |
| 1959-04-23 | The Tampa Bay Yankees have promoted John Gregg to the major league team. The Tampa Bay Yankees have designated Brad Heimach for assignment. |
| 1959-04-01 | The Tampa Bay Yankees have promoted Billy Lundgren to the major league team. The Tampa Bay Yankees have sent John Gregg to the minors. |
| 1958-09-09 | The Tampa Bay Yankees have promoted John Gregg to the major league team. The Tampa Bay Yankees have sent Bob Savage to the minors. |