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| Name | Team | Age |
| Jeff Fassero | Retired (1976, Age 36) | Died (2021, Age 81) |
| Drafted | Position | Bats/Throws |
| Round 2, Pick 24 (1959) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Harmon Killebrew League | 0 | 15 years (136 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 | 5/21/1940 | |
| WS Rings | WS Appearances | LCS Appearances |
| 1 | 1 | 5 |
| 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 | Type
|
Chances
|
Endurance | Velocity | Control | Total |
| 1959 | Minors | 60.00 | 1 / 5 | 6 / 22 | 12 / 33 | 19 / 60 |
| 1960 | Minors | 35.00 | 1 / 1 | 2 / 19 | 3 / 15 | 6 / 35 |
| 1961 | Majors | 35.18 | 0 / 4 | 1 / 16 | 2 / 15 | 3 / 35 |
| 1962 | Majors | 44.32 | 5 / 5 | 3 / 17 | 3 / 22 | 11 / 44 |
| 1963 | Majors | 41.21 | 5 / 10 | 1 / 18 | 5 / 13 | 11 / 41 |
| 1964 | Majors | 46.97 | 3 / 10 | 6 / 22 | 2 / 14 | 11 / 46 |
| 1965 | Majors | 43.85 | 1 / 6 | 4 / 18 | 2 / 19 | 7 / 43 |
| 1966 | Majors | 26.90 | 0 / 0 | 2 / 12 | 2 / 14 | 4 / 26 |
| 1967 | Majors | 34.66 | 1 / 1 | 3 / 20 | 3 / 13 | 7 / 34 |
| 1968 | Majors | 43.59 | 1 / 11 | 0 / 15 | 2 / 17 | 3 / 43 |
| 1969 | Majors | 28.21 | 0 / 1 | 0 / 12 | 0 / 15 | 0 / 28 |
| 1970 | Majors | 29.22 | 0 / 2 | 0 / 9 | 1 / 18 | 1 / 29 |
| 1971 | Majors | 26.69 | 0 / 0 | 1 / 15 | 0 / 11 | 1 / 26 |
| 1972 | Majors | 36.84 | 0 / 7 | 1 / 11 | 0 / 18 | 1 / 36 |
| 1973 | Majors | 39.21 | 1 / 3 | 0 / 22 | 0 / 14 | 1 / 39 |
| 1974 | Majors | 36.35 | 0 / 4 | 0 / 16 | 0 / 16 | 0 / 36 |
| 1975 | Majors | 37.50 | 0 / 4 | 0 / 14 | 0 / 19 | 0 / 37 |
| 1976 | Majors | 29.42 | 0 / 0 | 0 / 18 | 0 / 11 | 0 / 29 |
| Total | 19 / 74 | 30 / 296 | 37 / 297 | 86 / 667 |
| Date | Transaction |
| 1976-11-01 | Jeff Fassero has retired from the Chicago BlackSox |
| 1976-09-05 | The Chicago BlackSox have promoted Jeff Fassero to the major league team. The Chicago BlackSox have designated Geoff Dorre for assignment. |
| 1976-08-29 | The Chicago BlackSox have acquired Jeff Fassero from the waiver wire. |
| 1976-08-16 | The Cincinnati Reds waive Jeff Fassero. |
| 1975-03-25 | The Cincinnati Reds have renamed Freddy Hearn to Jeff Fassero. |
| 1971-08-29 | A trade has been completed between the Washington Boondoggles and the Cleveland Barons. The Cleveland Barons receive Draft Pick - 1972 Round 2 (WAS) from the Washington Boondoggles in exchange for Freddy Hearn. |
| 1967-04-20 | The Cleveland Barons have renamed Mikki Kearny to Freddy Hearn. |
| 1961-04-01 | The Cincinnati Pilots have promoted Mikki Kearny to the major league team. The Cincinnati Pilots have designated B.J. Callahan for assignment. |
| 1960-08-31 | A trade has been completed between the New York Mohawks and the Cincinnati Pilots. The Cincinnati Pilots receive Tim Dues, Bobby Shantsz, Joe Coleman, Mikki Kearny from the New York Mohawks in exchange for Draft Pick - 1961 Round 3 (CIN), Draft Pick - 1962 Round 2 (CIN). |
| 1959-04-01 | The New York Jerseys have renamed Freddy Hearn to Mikki Kearny. |