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| Name | Team | Age |
| Frank Maas | Retired (1967, Age 35) | Died (2007, Age 75) |
| Drafted | Position | Bats/Throws |
| Round 4, Pick 58 (1955) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Lou Brock League | 0 | 10 years (58 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 | 1/31/1932 | |
| 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
| Date | Opponent | W | L | GS | SV | BS | IP | H | R | ER | BB | SO | WHIP | ERA |
| Date | Transaction |
| 1967-11-01 | Frank Maas has retired from the Pittsburgh Pierogies |
| 1967-05-10 | The Pittsburgh Pierogies have promoted Frank Maas to the major league team. The Pittsburgh Pierogies have designated Marv Grzanich for assignment. |
| 1967-04-05 | The Pittsburgh Pierogies have acquired Frank Maas from the waiver wire. |
| 1967-03-01 | The Chicago Cubs have waived Frank Maas. |
| 1966-08-30 | The Chicago Cubs have designated Frank Maas for assignment. |
| 1964-06-16 | Frank Maas of the Chicago Cubs is injured and is expected to be out 28 days. |
| 1961-08-13 | The Chicago Cubs have promoted Frank Maas to the major league team. |
| 1961-05-08 | The Chicago Cubs have promoted Reggie Rigney to the major league team. The Chicago Cubs have designated Frank Maas for assignment. |
| 1960-09-09 | The Chicago Cubs have promoted Frank Maas to the major league team. |
| 1960-04-01 | The Chicago Cubs have promoted Charlie Frey to the major league team. The Chicago Cubs have promoted Steve Vitt to the major league team. The Chicago Cubs have sent Rico Rader to the minors. The Chicago Cubs have sent Frank Maas to the minors. |
| 1955-09-11 | The Chicago Cubs have promoted Frank Maas to the major league team. The Chicago Cubs have sent Tom Byrne to the minors. |
| 1955-09-10 | The Chicago Cubs have promoted Hap Sperry to the major league team. The Chicago Cubs have sent Frank Maas to the minors. |
| 1955-09-08 | The Chicago Cubs have promoted Frank Maas to the major league team. |
| 1955-09-01 | The Chicago Cubs have acquired Frank Maas from the waiver wire. |
| 1955-08-28 | The Washington Pilots have acquired George Hoiles from the waiver wire. The Washington Pilots have waived Frank Maas. |