Rafael Devers Calcaño (/ˈdɛvərz/ DEV-ərz; born October 24, 1996) is a Dominican professional baseball designated hitter and third baseman for the San Francisco Giants of Major League Baseball (MLB). He has previously played in MLB for the Boston Red Sox.
The Red Sox signed 16-year-old free agent Devers in August 2013. Devers, who ranked sixth overall among the top 50 international prospects, agreed to a $1.5 million deal. According to an MLB.com report, he was at the time considered by some scouts to be the best left-handed hitter available on the international market.
Devers made his MLB debut July 25, 2017, for the Boston Red Sox.

Trophies 
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| Positions Played | MLB | 2025 | D |
| Intentional Bases on Balls | MLB | 2025 | 7 |
| Sacrifice Flies | MLB | 2025 | 2 |
| Sacrifice Hits | MLB | 2025 | 0 |
| Times Hit by a Pitch | MLB | 2025 | 4 |
| GIDP | MLB | 2025 | 7 |
| Total Bases | MLB | 2025 | 137 |
| Rbat+ | MLB | 2025 | 153 |
| rOBA | MLB | 2025 | .387 |
| OPS+ | MLB | 2025 | 151 |
| OPS | MLB | 2025 | .905 |
| SLG | MLB | 2025 | .504 |
| OBP | MLB | 2025 | .401 |
| Hits/At Bats | MLB | 2025 | .272 |
| Strikeouts | MLB | 2025 | 76 |
| Bases on Balls/Walks | MLB | 2025 | 56 |
| Caught Stealing | MLB | 2025 | 1 |
| Stolen Bases | MLB | 2025 | 1 |
| Runs Batted In | MLB | 2025 | 58 |
| Home Runs | MLB | 2025 | 15 |
| Triples | MLB | 2025 | 0 |
| Doubles | MLB | 2025 | 18 |
| Hits | MLB | 2025 | 74 |
| Runs Scored | MLB | 2025 | 47 |
| At Bats | MLB | 2025 | 272 |
| Plate Appearances | MLB | 2025 | 334 |
| Games Played | MLB | 2025 | 73 |
| Wins Above Replacement for position players | MLB | 2025 | 2.3 |
|
|
| Positions Played | MLB | 2024 | *5/D |
| Intentional Bases on Balls | MLB | 2024 | 14 |
| Sacrifice Flies | MLB | 2024 | 6 |
| Sacrifice Hits | MLB | 2024 | 0 |
| Times Hit by a Pitch | MLB | 2024 | 3 |
| GIDP | MLB | 2024 | 13 |
| Total Bases | MLB | 2024 | 271 |
| Rbat+ | MLB | 2024 | 134 |
| rOBA | MLB | 2024 | .368 |
| OPS+ | MLB | 2024 | 142 |
| OPS | MLB | 2024 | .871 |
| SLG | MLB | 2024 | .516 |
| OBP | MLB | 2024 | .354 |
| Hits/At Bats | MLB | 2024 | .272 |
| Strikeouts | MLB | 2024 | 147 |
| Bases on Balls/Walks | MLB | 2024 | 67 |
| Caught Stealing | MLB | 2024 | 0 |
| Stolen Bases | MLB | 2024 | 3 |
| Runs Batted In | MLB | 2024 | 83 |
| Home Runs | MLB | 2024 | 28 |
| Triples | MLB | 2024 | 5 |
| Doubles | MLB | 2024 | 34 |
| Hits | MLB | 2024 | 143 |
| Runs Scored | MLB | 2024 | 87 |
| At Bats | MLB | 2024 | 525 |
| Plate Appearances | MLB | 2024 | 601 |
| Games Played | MLB | 2024 | 138 |
| Wins Above Replacement for position players | MLB | 2024 | 3.7 |
|
|
| Positions Played | MLB | 2023 | *5/DH6 |
| Intentional Bases on Balls | MLB | 2023 | 10 |
| Sacrifice Flies | MLB | 2023 | 3 |
| Sacrifice Hits | MLB | 2023 | 0 |
| Times Hit by a Pitch | MLB | 2023 | 11 |
| GIDP | MLB | 2023 | 15 |
| Total Bases | MLB | 2023 | 290 |
| Rbat+ | MLB | 2023 | 126 |
| rOBA | MLB | 2023 | .365 |
| OPS+ | MLB | 2023 | 126 |
| OPS | MLB | 2023 | .851 |
| SLG | MLB | 2023 | .500 |
| OBP | MLB | 2023 | .351 |
| Hits/At Bats | MLB | 2023 | .271 |
| Strikeouts | MLB | 2023 | 126 |
| Bases on Balls/Walks | MLB | 2023 | 62 |
| Caught Stealing | MLB | 2023 | 1 |
| Stolen Bases | MLB | 2023 | 5 |
| Runs Batted In | MLB | 2023 | 100 |
| Home Runs | MLB | 2023 | 33 |
| Triples | MLB | 2023 | 0 |
| Doubles | MLB | 2023 | 34 |
| Hits | MLB | 2023 | 157 |
| Runs Scored | MLB | 2023 | 90 |
| At Bats | MLB | 2023 | 580 |
| Plate Appearances | MLB | 2023 | 656 |
| Games Played | MLB | 2023 | 153 |
| Wins Above Replacement for position players | MLB | 2023 | 3.5 |
|
|
| Positions Played | MLB | 2022 | *5/DH |
| Intentional Bases on Balls | MLB | 2022 | 11 |
| Sacrifice Flies | MLB | 2022 | 3 |
| Sacrifice Hits | MLB | 2022 | 0 |
| Times Hit by a Pitch | MLB | 2022 | 6 |
| GIDP | MLB | 2022 | 14 |
| Total Bases | MLB | 2022 | 289 |
| Rbat+ | MLB | 2022 | 143 |
| rOBA | MLB | 2022 | .381 |
| OPS+ | MLB | 2022 | 141 |
| OPS | MLB | 2022 | .879 |
| SLG | MLB | 2022 | .521 |
| OBP | MLB | 2022 | .358 |
| Hits/At Bats | MLB | 2022 | .295 |
| Strikeouts | MLB | 2022 | 114 |
| Bases on Balls/Walks | MLB | 2022 | 50 |
| Caught Stealing | MLB | 2022 | 1 |
| Stolen Bases | MLB | 2022 | 3 |
| Runs Batted In | MLB | 2022 | 88 |
| Home Runs | MLB | 2022 | 27 |
| Triples | MLB | 2022 | 1 |
| Doubles | MLB | 2022 | 42 |
| Hits | MLB | 2022 | 164 |
| Runs Scored | MLB | 2022 | 84 |
| At Bats | MLB | 2022 | 555 |
| Plate Appearances | MLB | 2022 | 614 |
| Games Played | MLB | 2022 | 141 |
| Wins Above Replacement for position players | MLB | 2022 | 4.5 |
|
|
| Positions Played | MLB | 2021 | *5/D4H |
| Intentional Bases on Balls | MLB | 2021 | 7 |
| Sacrifice Flies | MLB | 2021 | 4 |
| Sacrifice Hits | MLB | 2021 | 0 |
| Times Hit by a Pitch | MLB | 2021 | 7 |
| GIDP | MLB | 2021 | 13 |
| Total Bases | MLB | 2021 | 318 |
| Rbat+ | MLB | 2021 | 133 |
| rOBA | MLB | 2021 | .373 |
| OPS+ | MLB | 2021 | 134 |
| OPS | MLB | 2021 | .890 |
| SLG | MLB | 2021 | .538 |
| OBP | MLB | 2021 | .352 |
| Hits/At Bats | MLB | 2021 | .279 |
| Strikeouts | MLB | 2021 | 143 |
| Bases on Balls/Walks | MLB | 2021 | 62 |
| Caught Stealing | MLB | 2021 | 5 |
| Stolen Bases | MLB | 2021 | 5 |
| Runs Batted In | MLB | 2021 | 113 |
| Home Runs | MLB | 2021 | 38 |
| Triples | MLB | 2021 | 1 |
| Doubles | MLB | 2021 | 37 |
| Hits | MLB | 2021 | 165 |
| Runs Scored | MLB | 2021 | 101 |
| At Bats | MLB | 2021 | 591 |
| Plate Appearances | MLB | 2021 | 664 |
| Games Played | MLB | 2021 | 156 |
| Wins Above Replacement for position players | MLB | 2021 | 3.6 |
|
|
| Positions Played | MLB | 2020 | *5/H |
| Intentional Bases on Balls | MLB | 2020 | 0 |
| Sacrifice Flies | MLB | 2020 | 0 |
| Sacrifice Hits | MLB | 2020 | 0 |
| Times Hit by a Pitch | MLB | 2020 | 3 |
| GIDP | MLB | 2020 | 8 |
| Total Bases | MLB | 2020 | 112 |
| Rbat+ | MLB | 2020 | 104 |
| rOBA | MLB | 2020 | .340 |
| OPS+ | MLB | 2020 | 107 |
| OPS | MLB | 2020 | .793 |
| SLG | MLB | 2020 | .483 |
| OBP | MLB | 2020 | .310 |
| Hits/At Bats | MLB | 2020 | .263 |
| Strikeouts | MLB | 2020 | 67 |
| Bases on Balls/Walks | MLB | 2020 | 13 |
| Caught Stealing | MLB | 2020 | 0 |
| Stolen Bases | MLB | 2020 | 0 |
| Runs Batted In | MLB | 2020 | 43 |
| Home Runs | MLB | 2020 | 11 |
| Triples | MLB | 2020 | 1 |
| Doubles | MLB | 2020 | 16 |
| Hits | MLB | 2020 | 61 |
| Runs Scored | MLB | 2020 | 32 |
| At Bats | MLB | 2020 | 232 |
| Plate Appearances | MLB | 2020 | 248 |
| Games Played | MLB | 2020 | 57 |
| Wins Above Replacement for position players | MLB | 2020 | 0.8 |
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|
| Positions Played | MLB | 2019 | *5/H6D |
| Intentional Bases on Balls | MLB | 2019 | 7 |
| Sacrifice Flies | MLB | 2019 | 2 |
| Sacrifice Hits | MLB | 2019 | 1 |
| Times Hit by a Pitch | MLB | 2019 | 4 |
| GIDP | MLB | 2019 | 8 |
| Total Bases | MLB | 2019 | 359 |
| Rbat+ | MLB | 2019 | 136 |
| rOBA | MLB | 2019 | .385 |
| OPS+ | MLB | 2019 | 132 |
| OPS | MLB | 2019 | .916 |
| SLG | MLB | 2019 | .555 |
| OBP | MLB | 2019 | .361 |
| Hits/At Bats | MLB | 2019 | .311 |
| Strikeouts | MLB | 2019 | 119 |
| Bases on Balls/Walks | MLB | 2019 | 48 |
| Caught Stealing | MLB | 2019 | 8 |
| Stolen Bases | MLB | 2019 | 8 |
| Runs Batted In | MLB | 2019 | 115 |
| Home Runs | MLB | 2019 | 32 |
| Triples | MLB | 2019 | 4 |
| Doubles | MLB | 2019 | 54 |
| Hits | MLB | 2019 | 201 |
| Runs Scored | MLB | 2019 | 129 |
| At Bats | MLB | 2019 | 647 |
| Plate Appearances | MLB | 2019 | 702 |
| Games Played | MLB | 2019 | 156 |
| Wins Above Replacement for position players | MLB | 2019 | 5.4 |
|
|
| Positions Played | MLB | 2018 | *5/HD |
| Intentional Bases on Balls | MLB | 2018 | 6 |
| Sacrifice Flies | MLB | 2018 | 2 |
| Sacrifice Hits | MLB | 2018 | 0 |
| Times Hit by a Pitch | MLB | 2018 | 0 |
| GIDP | MLB | 2018 | 9 |
| Total Bases | MLB | 2018 | 195 |
| Rbat+ | MLB | 2018 | 89 |
| rOBA | MLB | 2018 | .315 |
| OPS+ | MLB | 2018 | 94 |
| OPS | MLB | 2018 | .731 |
| SLG | MLB | 2018 | .433 |
| OBP | MLB | 2018 | .298 |
| Hits/At Bats | MLB | 2018 | .240 |
| Strikeouts | MLB | 2018 | 121 |
| Bases on Balls/Walks | MLB | 2018 | 38 |
| Caught Stealing | MLB | 2018 | 2 |
| Stolen Bases | MLB | 2018 | 5 |
| Runs Batted In | MLB | 2018 | 66 |
| Home Runs | MLB | 2018 | 21 |
| Triples | MLB | 2018 | 0 |
| Doubles | MLB | 2018 | 24 |
| Hits | MLB | 2018 | 108 |
| Runs Scored | MLB | 2018 | 59 |
| At Bats | MLB | 2018 | 450 |
| Plate Appearances | MLB | 2018 | 490 |
| Games Played | MLB | 2018 | 121 |
| Wins Above Replacement for position players | MLB | 2018 | 0.4 |
|
|
| Positions Played | MLB | 2017 | 5/HD |
| Intentional Bases on Balls | MLB | 2017 | 3 |
| Sacrifice Flies | MLB | 2017 | 0 |
| Sacrifice Hits | MLB | 2017 | 0 |
| Times Hit by a Pitch | MLB | 2017 | 0 |
| GIDP | MLB | 2017 | 5 |
| Total Bases | MLB | 2017 | 107 |
| Rbat+ | MLB | 2017 | 112 |
| rOBA | MLB | 2017 | .355 |
| OPS+ | MLB | 2017 | 112 |
| OPS | MLB | 2017 | .819 |
| SLG | MLB | 2017 | .482 |
| OBP | MLB | 2017 | .338 |
| Hits/At Bats | MLB | 2017 | .284 |
| Strikeouts | MLB | 2017 | 57 |
| Bases on Balls/Walks | MLB | 2017 | 18 |
| Caught Stealing | MLB | 2017 | 1 |
| Stolen Bases | MLB | 2017 | 3 |
| Runs Batted In | MLB | 2017 | 30 |
| Home Runs | MLB | 2017 | 10 |
| Triples | MLB | 2017 | 0 |
| Doubles | MLB | 2017 | 14 |
| Hits | MLB | 2017 | 63 |
| Runs Scored | MLB | 2017 | 34 |
| At Bats | MLB | 2017 | 222 |
| Plate Appearances | MLB | 2017 | 240 |
| Games Played | MLB | 2017 | 58 |
| Wins Above Replacement for position players | MLB | 2017 | 0.7 |
|