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| Name | Team | Age |
| John Spencer | Retired (1974, Age 35) | Died (2021, Age 82) |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 4 (1961) |
RP | R/R |
| League | Option Years
|
Majors Service Time |
| Jesse Orosco League | 0 | 9 years (13 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 | 7/13/1939 | |
| 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
| Year
|
Team | W | L | G | GS | CG | SHO | SV | BS | IP | H | R | ER | HBP | BB | SO | WHIP | ERA |
| 1965 | ARI | 1 | 3 | 5 | 5 | 2 | 0 | 0 | 0 | 32.1 | 31 | 15 | 15 | 1 | 6 | 29 | 1.14 | 4.18 |
| 1966 | ARI | 3 | 1 | 59 | 1 | 1 | 0 | 0 | 2 | 43.0 | 39 | 17 | 15 | 0 | 16 | 34 | 1.28 | 3.14 |
| 1967 | ARI | 5 | 4 | 38 | 0 | 0 | 0 | 4 | 1 | 25.1 | 35 | 13 | 12 | 0 | 8 | 16 | 1.70 | 4.26 |
| 1968 | ARI | 5 | 6 | 59 | 4 | 0 | 0 | 2 | 3 | 83.2 | 82 | 39 | 36 | 0 | 33 | 70 | 1.37 | 3.87 |
| 1969 | ARI | 2 | 2 | 42 | 0 | 0 | 0 | 0 | 1 | 61.0 | 68 | 40 | 36 | 0 | 14 | 44 | 1.34 | 5.31 |
| 1970 | ARI | 7 | 4 | 34 | 14 | 0 | 0 | 0 | 2 | 121.0 | 95 | 45 | 45 | 0 | 35 | 100 | 1.07 | 3.35 |
| 1971 | ARI | 8 | 8 | 37 | 34 | 1 | 0 | 0 | 0 | 208.1 | 179 | 86 | 81 | 0 | 62 | 139 | 1.16 | 3.50 |
| 1972 | ARI | 2 | 5 | 73 | 0 | 0 | 0 | 40 | 7 | 84.0 | 91 | 50 | 47 | 1 | 22 | 60 | 1.35 | 5.04 |
| 1973 | ARI | 9 | 4 | 87 | 0 | 0 | 0 | 12 | 5 | 128.2 | 120 | 58 | 54 | 2 | 41 | 87 | 1.25 | 3.78 |
| 1974 | ARI | 10 | 4 | 106 | 0 | 0 | 0 | 1 | 1 | 154.0 | 203 | 111 | 102 | 0 | 36 | 104 | 1.55 | 5.96 |
| Total | 52 | 41 | 540 | 58 | 4 | 0 | 59 | 22 | 941.1 | 943 | 474 | 443 | 4 | 273 | 683 | 1.29 | 4.24 |
| Date | Transaction |
| 1974-11-01 | John Spencer has retired from the Arizona Sueros |
| 1974-07-13 | John Spencer of the Arizona Sueros is injured and is expected to be out 5 days. |
| 1966-04-11 | The Arizona Sueros have promoted John Spencer to the major league team. The Arizona Sueros have sent Bob Kell to the minors. |
| 1965-10-08 | The Arizona Sueros have sent Charlie Webb to the minors. The Arizona Sueros have sent John Spencer to the minors. |
| 1965-09-10 | The Arizona Sueros have promoted John Spencer to the major league team. |
| 1961-04-22 | A trade has been completed between the Arizona Sueros and the Kansas City Plainsmen. The Kansas City Plainsmen receive Rube Kinsella, Luke Kallio, Rick Ouellette, Draft Pick 1962 Round 3 ARI (Cesar Robinson) from the Arizona Sueros in exchange for John Spencer, Mendy Knotts. |