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| Name | Team | Age |
| Jack Sierra | Retired (2061, Age 36) | Died (2110, Age 85) |
| Drafted | Position | Bats/Throws |
| Round 1, Pick 8 (2043) |
RP | L/L |
| League | Option Years
|
Majors Service Time |
| Sandberg Yingling League | 0 | 13 years (143 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 | 10/6/2025 | |
| WS Rings | WS Appearances | LCS Appearances |
| 1 | 4 | 7 |
| 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 | POS | Team | G | GS | INN | TC | PO | A | E | DP | +/- | RF
|
FPCT |
| 2048 | P | NYA | 69 | 0 | 84.33 | 16 | 1 | 15 | 0 | 2 | -1 | 1.71 | 1.000 |
| 2049 | P | NYA | 89 | 0 | 109.0 | 20 | 1 | 18 | 1 | 2 | 0 | 1.57 | .950 |
| 2050 | P | NYA | 89 | 0 | 108.66 | 18 | 1 | 12 | 5 | 0 | -1 | 1.08 | .722 |
| 2051 | P | NYA | 80 | 0 | 100.0 | 10 | 3 | 7 | 0 | 1 | 0 | 0.90 | 1.000 |
| 2052 | P | NYA | 65 | 15 | 146.66 | 20 | 1 | 19 | 0 | 3 | -4 | 1.23 | 1.000 |
| 2053 | P | NYA | 34 | 34 | 205.66 | 30 | 3 | 24 | 3 | 2 | -1 | 1.18 | .900 |
| 2054 | P | NYA-BRO | 32 | 32 | 199.99 | 29 | 1 | 26 | 2 | 0 | 0 | 1.22 | .931 |
| 2055 | P | BRO | 36 | 36 | 260.0 | 36 | 2 | 32 | 2 | 1 | -4 | 1.18 | .944 |
| 2056 | P | BRO | 36 | 36 | 256.66 | 31 | 2 | 26 | 3 | 0 | -6 | 0.98 | .903 |
| 2057 | P | BRO | 36 | 36 | 253.0 | 35 | 0 | 35 | 0 | 1 | 0 | 1.25 | 1.000 |
| 2058 | P | BRO | 36 | 36 | 268.66 | 30 | 2 | 27 | 1 | 1 | -2 | 0.97 | .967 |
| 2059 | P | BRO | 36 | 36 | 262.66 | 32 | 3 | 28 | 1 | 3 | 0 | 1.06 | .969 |
| 2060 | P | BRO | 30 | 30 | 207.0 | 30 | 1 | 27 | 2 | 2 | -2 | 1.22 | .933 |
| 2061 | P | BRO | 23 | 22 | 156.66 | 27 | 2 | 25 | 0 | 4 | -1 | 1.55 | 1.000 |
| Total | 691 | 313 | 2618.94 | 364 | 23 | 321 | 20 | 22 | -22 | 1.18 | .945 |
| Date | Transaction |
| 2061-11-01 | Jack Sierra has retired from the Brooklyn Brawlers |
| 2054-04-13 | A trade has been completed between the New York Yankees and the Brooklyn Brawlers. The Brooklyn Brawlers receive Jack Sierra from the New York Yankees in exchange for Diego Hernandez, Hideo Nagashima, Draft Pick - 2057 Round 1 (BRO). |
| 2048-05-09 | The New York Yankees have promoted Chick Leyritz to the major league team. The New York Yankees have promoted Jack Sierra to the major league team. The New York Yankees have sent Newt Bovee to the minors. The New York Yankees have sent Mike Kimsey to the minors. |