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| Name | Team | Age |
| Joe Mattson | Retired (1998, Age 37) | Died (2043, Age 82) |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 6 (1983) |
RP | L/R |
| League | Option Years
|
Majors Service Time |
| Vince Coleman League | 0 | 11 years (18 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 | 3/16/1961 | |
| WS Rings | WS Appearances | LCS Appearances |
| 0 | 0 | 1 |
| 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 | Endurance | Velocity | Control |
| 1983 | |||
| 1984 | |||
| 1985 | |||
| 1986 | |||
| 1987 | |||
| 1988 | |||
| 1989 | |||
| 1990 | |||
| 1991 | |||
| 1992 | |||
| 1993 | |||
| 1994 | |||
| 1995 | |||
| 1996 | |||
| 1997 | |||
| 1998 |
| Date | Transaction |
| 1998-11-01 | Joe Mattson has retired from the Free Agency Pool |
| 1998-04-23 | The St. Louis River Cats have waived Joe Mattson. |
| 1998-04-11 | The St. Louis River Cats have designated Joe Mattson for assignment. |
| 1996-10-23 | The St. Louis River Cats have acquired Joe Mattson from the waiver wire. |
| 1996-09-28 | The Boston Phantoms have designated Joe Mattson for assignment. |
| 1987-04-10 | The Boston Banshees have promoted Joe Mattson to the major league team. The Boston Banshees have promoted Hank Radbourn to the major league team. The Boston Banshees have sent George Correia to the minors. The Boston Banshees have sent Dick Moreland to the minors. |
| 1987-04-10 | The Boston Banshees have renamed Joe Neikro to Joe Mattson. |
| 1983-10-08 | The Boston Whalers have sent Joe Neikro to the minors. The Boston Whalers have sent Elroy Face to the minors. |
| 1983-09-12 | The Boston Whalers have promoted Ray Beck to the major league team. The Boston Whalers have promoted Joe Neikro to the major league team. |
| 1983-04-28 | The Boston Whalers have renamed Joe McCracken to Joe Neikro. |