Casey Yamauchi
Casey Nobutori Yamauchi
Born: August 8, 2000
Hilo, HI US
Primary Position: Second base
All Position(s) Played: 3B, LF, OF, P, SS
Bats: Right
Throws: Right
Height: 5'9"
Weight: 155
Career: 2023-2026
Casey Yamauchi has compiled a career batting average of .279 with 2 home runs and 89 RBI in his 224-game career with the Midland RockHounds, Lansing Lugnuts, Athletics and Stockton Ports. He began playing during the 2023 season and has taken the field during the 2026 campaign.
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Pitching:
| Year | Level | Lg | Team | W | L | W% | ERA | G | GS | GF | CG | SHO | SV | IP | H | R | ER | HR | BB | IBB | SO | HBP | BK | WP | BF |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | AA | TL | Midland RockHounds | 0 | 0 | 0.00 | 1 | 0 | 1 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 4 | |
| Totals | 0 | 0 | 0.00 | 1 | 0 | 1 | 0 | 0 | 0 | 1.0 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 4 |
Batting:
| Year | Level | Lg | Team | GP | PA | AB | R | H | 2B | 3B | HR | RBI | SB | CS | BB | SO | BA | OBP | SLG | OPS | TB | DP | HBP | SH | SF | IBB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | AA | TL | Midland RockHounds | 11 | 35 | 31 | 7 | 6 | 1 | 0 | 0 | 4 | 1 | 1 | 2 | 5 | .194 | .286 | .226 | .512 | 7 | 2 | 2 | 0 | 0 | 0 |
| 2023 | R | AZCL | Athletics | 3 | 8 | 5 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | .400 | .625 | .400 | 1.025 | 2 | 0 | 0 | 0 | 0 | 0 |
| 2023 | Advanced A | MIDW | Lansing Lugnuts | 3 | 12 | 9 | 0 | 6 | 1 | 0 | 0 | 1 | 3 | 0 | 2 | 1 | .667 | .750 | .778 | 1.528 | 7 | 0 | 1 | 0 | 0 | 0 |
| 2024 | Advanced A | MIDW | Lansing Lugnuts | 52 | 197 | 178 | 24 | 42 | 4 | 0 | 0 | 13 | 13 | 2 | 11 | 14 | .236 | .306 | .258 | .565 | 46 | 3 | 7 | 1 | 0 | 0 |
| 2024 | A | CALL | Stockton Ports | 35 | 132 | 114 | 18 | 36 | 6 | 2 | 0 | 12 | 7 | 3 | 10 | 13 | .316 | .389 | .404 | .793 | 46 | 6 | 5 | 1 | 2 | 0 |
| 2025 | AA | TL | Midland RockHounds | 4 | 19 | 19 | 3 | 9 | 1 | 1 | 1 | 4 | 0 | 0 | 0 | 2 | .474 | .474 | .789 | 1.263 | 15 | 0 | 0 | 0 | 0 | 0 |
| 2025 | Advanced A | MIDW | Lansing Lugnuts | 119 | 481 | 435 | 38 | 120 | 21 | 3 | 1 | 55 | 13 | 7 | 22 | 36 | .276 | .328 | .345 | .673 | 150 | 17 | 15 | 2 | 7 | 1 |
| 2026 | Advanced A | MIDW | Lansing Lugnuts | 11 | 48 | 43 | 11 | 12 | 1 | 0 | 4 | 13 | 1 | 0 | 2 | 6 | .279 | .354 | .581 | .936 | 25 | 2 | 3 | 0 | 0 | 0 |
| Totals | 224 | 876 | 786 | 90 | 219 | 34 | 6 | 2 | 89 | 37 | 13 | 47 | 71 | .279 | .339 | .345 | .684 | 271 | 28 | 30 | 4 | 9 | 1 |
Fielding:
| Year | Level | Lg | Team | Pos | GP | PO | A | E | DP | Fld% | RF/G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | AA | TL | Midland RockHounds | 2B | 9 | 13 | 31 | 1 | 6 | .978 | 4.889 |
| 2023 | R | AZCL | Athletics | 2B | 3 | 2 | 6 | 0 | 1 | 1.000 | 2.667 |
| 2023 | Advanced A | MIDW | Lansing Lugnuts | SS | 3 | 10 | 5 | 0 | 2 | 1.000 | 5.000 |
| 2023 | AA | TL | Midland RockHounds | P | 1 | 0 | 0 | 0 | 0 | .000 | |
| 2024 | Advanced A | MIDW | Lansing Lugnuts | 2B | 36 | 69 | 86 | 3 | 21 | .981 | 4.306 |
| 2024 | A | CALL | Stockton Ports | 2B | 30 | 47 | 88 | 10 | 21 | .931 | 4.500 |
| 2024 | A | CALL | Stockton Ports | 3B | 2 | 2 | 2 | 0 | 0 | 1.000 | 2.000 |
| 2024 | Advanced A | MIDW | Lansing Lugnuts | SS | 11 | 19 | 31 | 2 | 9 | .962 | 4.545 |
| 2024 | A | CALL | Stockton Ports | SS | 1 | 0 | 1 | 0 | 0 | 1.000 | 1.000 |
| 2025 | Advanced A | MIDW | Lansing Lugnuts | SS | 8 | 9 | 17 | 1 | 5 | .963 | 3.250 |
| 2025 | AA | TL | Midland RockHounds | 2B | 4 | 6 | 18 | 1 | 3 | .960 | 6.000 |
| 2025 | Advanced A | MIDW | Lansing Lugnuts | 2B | 104 | 172 | 281 | 14 | 74 | .970 | 4.356 |
| 2025 | Advanced A | MIDW | Lansing Lugnuts | 3B | 1 | 0 | 0 | 0 | 0 | .000 | |
| 2026 | Advanced A | MIDW | Lansing Lugnuts | 2B | 9 | 16 | 20 | 0 | 8 | 1.000 | 4.000 |
| Totals | 210 | 347 | 560 | 32 | 141 | .966 | 4.319 |
Minor League Service:
| Year | Level | League | Team | Affiliation | First Appearance | Final Appearance |
|---|---|---|---|---|---|---|
| 2023 | R | Arizona Complex League | Athletics | OAK | July 25, 2023 | July 29, 2023 |
| 2023 | AA | Texas League | Midland RockHounds | OAK | August 3, 2023 | September 5, 2023 |
| 2023 | Advanced A | Midwest League | Lansing Lugnuts | OAK | September 8, 2023 | September 10, 2023 |
| 2024 | A | California League | Stockton Ports | OAK | April 6, 2024 | May 27, 2024 |
| 2024 | Advanced A | Midwest League | Lansing Lugnuts | OAK | May 30, 2024 | September 8, 2024 |
| 2025 | Advanced A | Midwest League | Lansing Lugnuts | April 6, 2025 | September 7, 2025 | |
| 2025 | AA | Texas League | Midland RockHounds | September 9, 2025 | September 14, 2025 | |
| 2026 | Advanced A | Midwest League | Lansing Lugnuts |
Persons data from the Chadwick Baseball Bureau are Copyright Chadwick Baseball Bureau, and are made available under the Open Data Commons Attribution License.




