Age: 30, 200 lbs, 5'11" Born: 7/5/1995, Daytona Beach, FL, USA Sal: N/A  Currently Released TRANSACTION REPORT 3 monthsEnters free agency. The Reds declined Hays' $12 million mutual option for 2026.
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| 2025 | CIN | 104 | 383 | 108 | 61 | 102 | 16 | 5 | 15 | 173 | 64 | 7 | 0 | 29 | 2 | 9 | 1 | 0 | 6 | 3 | 0.266 | 0.315 | 0.452 | 0.767 | 173.0 | 1.7 |
| 2024 | PHI | 85 | 235 | 59 | 26 | 60 | 18 | 0 | 5 | 93 | 20 | 2 | 2 | 9 | 1 | 2 | 8 | 1 | 2 | 1 | 0.255 | 0.303 | 0.396 | 0.699 | 93.0 | 1.1 |
| 2023 | BAL | 144 | 520 | 141 | 76 | 143 | 36 | 2 | 16 | 231 | 67 | 5 | 1 | 38 | 1 | 11 | 3 | 0 | 5 | 0 | 0.275 | 0.325 | 0.444 | 0.769 | 231.0 | 1.6 |
| 2022 | BAL | 145 | 535 | 114 | 66 | 134 | 35 | 2 | 16 | 221 | 60 | 2 | 4 | 34 | 0 | 11 | 10 | 0 | 3 | 1 | 0.250 | 0.306 | 0.413 | 0.719 | 221.0 | 1.5 |
| 2021 | BAL | 131 | 488 | 107 | 73 | 125 | 26 | 4 | 22 | 225 | 71 | 4 | 3 | 28 | 0 | 9 | 9 | 3 | 1 | 1 | 0.256 | 0.308 | 0.461 | 0.769 | 225.0 | 1.7 |
| 2020 | BAL | 33 | 122 | 25 | 20 | 34 | 2 | 0 | 4 | 48 | 9 | 2 | 3 | 8 | 0 | 1 | 2 | 0 | 2 | 0 | 0.279 | 0.328 | 0.393 | 0.722 | 48.0 | 1.5 |
| 2019 | BAL | 21 | 68 | 13 | 12 | 21 | 6 | 0 | 4 | 39 | 13 | 2 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0.309 | 0.373 | 0.574 | 0.947 | 39.0 | 1.9 |
| 2017 | BAL | 20 | 60 | 16 | 4 | 13 | 3 | 0 | 1 | 19 | 8 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 1 | 3 | 0.217 | 0.238 | 0.317 | 0.555 | 19.0 | 0.9 |
| | | 683 | 2411 | 583 | 338 | 632 | 142 | 13 | 83 | 1049 | 312 | 24 | 13 | 155 | 4 | 45 | 33 | 4 | 20 | 9 | 0.263 | 0.312 | 0.431 | 0.743 | 1049.0 | 1.5 |
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| 10/1/2025 | LAD@ | L4 - 8 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.200 | 0.000 | 0.200 | 0.0 |
| 9/30/2025 | LAD@ | L5 - 10 | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.333 | 0.333 | 1.000 | 1.333 | 1.0 |
| 9/28/2025 | MIL@ | L2 - 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | 0.0 |
| 9/20/2025 | CHC | W6 - 3 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | 0.0 |
| 9/19/2025 | CHC | W7 - 4 | 4 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.250 | 0.250 | 1.000 | 1.250 | 1.0 |
| 9/18/2025 | CHC | W1 - 0 | 3 | 0 | 1 | 2 | 1 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.667 | 0.667 | 3.000 | 3.667 | 3.0 |
| 9/17/2025 | STL@ | W6 - 2 | 5 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.200 | 0.200 | 1.000 | 1.200 | 1.0 |
| 9/15/2025 | STL@ | W11 - 6 | 5 | 1 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.400 | 0.400 | 2.000 | 2.400 | 2.0 |
| 9/14/2025 | ATH@ | L4 - 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.500 | 0.000 | 0.500 | 0.0 |
| 9/13/2025 | ATH@ | L5 - 11 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.250 | 0.250 | 1.000 | 1.250 | 1.0 |
| | | | 33 | 5 | 7 | 8 | 1 | 0 | 0 | 9 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0.210 | 0.280 | 0.900 | 1.180 | 9.0 |
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| A. Hays | OF | CIN | 11/5/2025 | Enters free agency. |
| A. Hays | OF | CIN | 6/27/2025 | Activated from IL. |
| A. Hays | OF | CIN | 5/30/2025 | Lands on injured list. |
| A. Hays | OF | CIN | 5/9/2025 | Back from injured list. |
| A. Hays | OF | CIN | 5/2/2025 | Out with hamstring strain. |
| A. Hays | OF | CIN | 4/15/2025 | Activated ahead of season debut. |
| A. Hays | OF | CIN | 3/26/2025 | Lands on IL with calf injury. |
| A. Hays | OF | CIN | 1/28/2025 | Inks one-year pact with Cincinnati. |
| A. Hays | OF | CIN | 11/22/2024 | Non-tendered by Philadelphia. |
| A. Hays | OF | CIN | 9/24/2024 | Activated from injured list. |
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| A. Hays | OF | CIN | 7/13/2025 | 7/14/2025 | +1 | Hits |
| A. Hays | OF | CIN | 5/14/2023 | 5/16/2023 | +1 | Hits |
| A. Hays | OF | CIN | 6/25/2022 | 7/10/2022 | +1 | Errors |
| A. Hays | OF | CIN | 5/13/2022 | 6/21/2022 | +1 | Games played |
| A. Hays | OF | CIN | 5/23/2022 | 6/21/2022 | +1 | Hits |
| A. Hays | OF | CIN | 5/11/2021 | 5/24/2021 | +1 | Hits |
Stars of the month
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| April 26, 2025 | A. Hays | CIN | OF | 1st star |
| September 10, 2025 | A. Hays | CIN | OF | 1st star |
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Stars of the week
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| April 16, 2025 | A. Hays | CIN | OF | 2nd star |
| April 18, 2025 | A. Hays | CIN | OF | 2nd star |
| April 19, 2025 | A. Hays | CIN | OF | 2nd star |
| April 21, 2025 | A. Hays | CIN | OF | 2nd star |
| April 25, 2025 | A. Hays | CIN | OF | 2nd star |
| April 27, 2025 | A. Hays | CIN | OF | 2nd star |
| May 13, 2025 | A. Hays | CIN | OF | 2nd star |
| May 15, 2025 | A. Hays | CIN | OF | 2nd star |
| May 16, 2025 | A. Hays | CIN | OF | 2nd star |
| May 19, 2025 | A. Hays | CIN | OF | 2nd star |
| May 20, 2025 | A. Hays | CIN | OF | 2nd star |
| May 23, 2025 | A. Hays | CIN | OF | 2nd star |
| May 25, 2025 | A. Hays | CIN | OF | 2nd star |
| May 26, 2025 | A. Hays | CIN | OF | 2nd star |
| May 27, 2025 | A. Hays | CIN | OF | 2nd star |
| July 02, 2025 | A. Hays | CIN | OF | 2nd star |
| July 04, 2025 | A. Hays | CIN | OF | 2nd star |
| July 07, 2025 | A. Hays | CIN | OF | 2nd star |
| July 09, 2025 | A. Hays | CIN | OF | 2nd star |
| July 11, 2025 | A. Hays | CIN | OF | 2nd star |
| July 13, 2025 | A. Hays | CIN | OF | 2nd star |
| July 18, 2025 | A. Hays | CIN | OF | 2nd star |
| July 21, 2025 | A. Hays | CIN | OF | 2nd star |
| July 25, 2025 | A. Hays | CIN | OF | 2nd star |
| July 26, 2025 | A. Hays | CIN | OF | 2nd star |
| July 28, 2025 | A. Hays | CIN | OF | 2nd star |
| August 04, 2025 | A. Hays | CIN | OF | 2nd star |
| August 05, 2025 | A. Hays | CIN | OF | 2nd star |
| August 07, 2025 | A. Hays | CIN | OF | 2nd star |
| August 10, 2025 | A. Hays | CIN | OF | 2nd star |
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