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| Player Report for #11 Akio Yamamoto | | Wednesday, December 31st, 2025 |  | | Name: | Akio Yamamoto | Contract: | None | | Nickname: | | Salary: | | | Birthday: | 01-22-2005 | Signed Through: | | | Age: | 20 | Years of Major League Service: | None, None | | Born in: | Ichinoseki (Iwate) | Major League Service Days this Year: | None | | Nationality: | Japanese | | | | Height: | 6' 0" | Years on 40-Man Roster: | None, None | | Weight: | 212 lbs | Years of Pro Service: | 2 Years | | | | Arbitration Eligibility: | Not yet eligible | | Position: | MR | Minor League Option Years: | 3 option years left | | Bats: | Right | | | | Throws: | Right | Contract Extension | - | | Status: | Completely Rested | Drafted | - | | Morale: | Normal | Local Popularity (National) | Unknown (Unknown) |
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| Pitching Ratings (SISA) | | Pitching | Stuff | Movement | Control | Velocity | | | Overall | 6 | 2 | 1 | 85-87 Mph | | | Versus LHP | 6 | 2 | 1 | | | | Versus RHP | 6 | 2 | 1 | | | | Talent | 6 | 2 | 7 | | |
| Pitching Ratings | | | Pitches: | Fastball, Changeup, Curveball, Cutter | | Endurance: | 10 | | | | | Groundball Pct.: | 61 | | | | | Holding Runners: | 7 | | | |
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| Batting Ratings (SISA) | | Batting | Contact | Gap | Power | Discipline/Eye | Avoid K's | | | Overall | 3 | 3 | 1 | 2 | 1 | | | Versus LHP | 3 | 4 | 1 | 2 | 1 | | | Versus RHP | 3 | 3 | 1 | 1 | 1 | | | Talent | 8 | 8 | 1 | 3 | 6 | |
| Running & Bunting Ratings | | | Fielding Ratings | | Running Speed: | 7 | | Pitcher 12 | | Stealing Ability: | 12 | | | | Baserunning Instincts: | 7 | | | | Sacrifice Bunt: | 6 | | | | Bunt for Hit: | 2 | | | | Hitter Type: | Normal | | | | | | | | | | | | | | | | | |
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| Game Log, Last 10 Games | | Date | Opponent | Result | Start | IP | H | R | ER | BB | K | Dec | | | | | | | | | 04-12-2025 | @ EPP | Loss, 0-16 | | 1.1 | 0 | 0 | 0 | 0 | 1 | | | | | | | | |
| MLB Rookie League 2025 Pitching Stats | | Pitching | G | GS | W | L | SV | ERA | IP | HA | R | ER | HR | BB | K | CG | CG% | SHO | QS | QS% | | Overall | 1 | 0 | 0 | 0 | 0 | 0.00 | 1.1 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0.0 | 0 | 0 | 0.0 | | Pitching | SVO | BS | SV% | RA | GF | R/9 | H/9 | K/9 | BB/9 | ERC | WHIP | VORP | BABIP | | | | | | | Overall | 0 | 0 | 0.0 | 1 | 1 | 0.00 | 0.00 | 6.75 | 0.00 | -0.56 | 0.00 | 0.8 | .000 | | | | | | | Pitching | AB | H | 2B | 3B | HR | R | BB | K | SF | SH | HP | AVG | OBP | SLG | OPS | | | | | vs. LHB | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | | | | | vs. RHB | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | | | |
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| MLB Rookie League 2025 Pitching Splits | | Split | G | GS | W | L | SV | ERA | IP | HA | R | ER | HR | BB | K | | | April | 1 | 0 | 0 | 0 | 0 | 0.00 | 1.1 | 0 | 0 | 0 | 0 | 0 | 1 | | | Last Year | 3 | 0 | 0 | 0 | 0 | 0.00 | 4.1 | 3 | 0 | 0 | 0 | 1 | 4 | | | 2 Years Ago | 15 | 0 | 0 | 1 | 7 | 0.60 | 15.0 | 13 | 3 | 1 | 1 | 2 | 7 | | | Career | 19 | 0 | 0 | 1 | 7 | 0.44 | 20.2 | 16 | 3 | 1 | 1 | 3 | 12 | | | Road | 1 | 0 | 0 | 0 | 0 | 0.00 | 1.1 | 0 | 0 | 0 | 0 | 0 | 1 | | | Grass | 1 | 0 | 0 | 0 | 0 | 0.00 | 1.1 | 0 | 0 | 0 | 0 | 0 | 1 | | | Night | 1 | 0 | 0 | 0 | 0 | 0.00 | 1.1 | 0 | 0 | 0 | 0 | 0 | 1 | |
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| Career Pitching Stats | | Year/Team/League | Age | G | GS | W | L | SV | ERA | IP | HA | R | ER | HR | BB | K | CG | SHO | WHIP | BABIP | VORP |
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| Career Minor League Pitching Stats | |
| Player History | | 01-01-2023 | SISA scouting updated ratings (potential): Stuff: 6 (12); Movement: 2 (4); Control: 4 (10). | | 04-01-2023 | Signed a 1-year minor league contract with the Kansas City Royals organization. | | 07-06-2023 | Released by the Kansas City organization. | | 01-01-2024 | SISA scouting updated ratings (potential): Stuff: 4 (4); Movement: 1 (1); Control: 3 (3). | | 04-01-2024 | Signed a 1-year minor league contract with the Los Angeles Angels organization. | | 07-08-2024 | Released by the Los Angeles organization. | | 01-01-2025 | SISA scouting updated ratings (potential): Stuff: 6 (6); Movement: 1 (1); Control: 5 (11). | | 04-01-2025 | Signed a 1-year minor league contract with the Philadelphia Phillies organization. | | 07-08-2025 | Released by the Philadelphia organization. |
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