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| Name | Team | Age |
| Kent Jefferies | Retired (2023, Age 38) | Died (2055, Age 70) |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 2 (2008) |
SP | R/R |
| League | Option Years
|
Majors Service Time |
| Tommy John League | 0 | 15 years (50 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 | 8/1/1985 | |
| WS Rings | WS Appearances | LCS Appearances |
| 2 | 3 | 4 |
| 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 |
| 2023-11-01 | Kent Jefferies has retired from the Chicago Coolers |
| 2023-07-11 | Kent Jefferies of the Chicago Coolers is injured and is expected to be out 8 days. |
| 2022-07-05 | Kent Jefferies of the Chicago Coolers is injured and is expected to be out 20 days. |
| 2021-04-11 | Kent Jefferies of the Chicago Coolers is injured and is expected to be out 29 days. |
| 2018-09-26 | Kent Jefferies of the Chicago Coolers is injured and is expected to be out 28 days. |
| 2017-05-25 | Kent Jefferies of the Chicago Coolers is injured and is expected to be out 26 days. |
| 2016-04-25 | Kent Jefferies of the Chicago Coolers is injured and is expected to be out 40 days. |
| 2016-04-01 | A trade has been completed between the Boston Lagerheads and the Chicago Coolers. The Chicago Coolers receive Kent Jefferies from the Boston Lagerheads in exchange for Jim Phillips, Jim Castillo, Draft Pick 2017 Round 1 CHN (Jim Peterson). |
| 2011-07-05 | Kent Jefferies of the Boston Lagerheads is injured and is expected to be out 14 days. |
| 2010-05-20 | Kent Jefferies of the Boston Lagerheads is injured and is expected to be out 14 days. |
| 2009-04-03 | Kent Jefferies of the Boston Lagerheads is injured and is expected to be out 25 days. |
| 2009-03-25 | The Boston Lagerheads have promoted Billy Cline to the major league team. The Boston Lagerheads have promoted Rupe Storti to the major league team. The Boston Lagerheads have promoted Kent Jefferies to the major league team. The Boston Lagerheads have designated Mike Nosek for assignment. |
| 2008-08-20 | The Boston Lagerheads have promoted Mike Nosek to the major league team. The Boston Lagerheads have sent Kent Jefferies to the minors. |
| 2008-04-01 | The Boston Lagerheads have promoted Billy Cline to the major league team. The Boston Lagerheads have promoted Rod Caraway to the major league team. The Boston Lagerheads have promoted Howie Dedrick to the major league team. The Boston Lagerheads have promoted Ben Mathews to the major league team. The Boston Lagerheads have promoted Ross Roberts to the major league team. The Boston Lagerheads have promoted Jerry Riske to the major league team. The Boston Lagerheads have promoted Kent Jefferies to the major league team. The Boston Lagerheads have designated Floyd Farmer for assignment. The Boston Lagerheads have sent Mike Campusano to the minors. The Boston Lagerheads have designated Tom Poser for assignment. |