Greg Lomack Allen (born March 15, 1993) is an American professional baseball outfielder who is currently a free agent. He made his MLB debut with the Cleveland Indians in 2017 and has also played for the San Diego Padres, New York Yankees and Pittsburgh Pirates.

Trophies 
Milestones
Former Youth Teams 
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| Positions Played | MLB | 2025 | /87H |
| Intentional Bases on Balls | MLB | 2025 | 0 |
| Sacrifice Flies | MLB | 2025 | 0 |
| Sacrifice Hits | MLB | 2025 | 0 |
| Times Hit by a Pitch | MLB | 2025 | 0 |
| GIDP | MLB | 2025 | 2 |
| Total Bases | MLB | 2025 | 0 |
| Rbat+ | MLB | 2025 | -127 |
| rOBA | MLB | 2025 | -0.035 |
| OPS+ | MLB | 2025 | -100 |
| OPS | MLB | 2025 | .000 |
| SLG | MLB | 2025 | .000 |
| OBP | MLB | 2025 | .000 |
| Hits/At Bats | MLB | 2025 | .000 |
| Strikeouts | MLB | 2025 | 5 |
| Bases on Balls/Walks | MLB | 2025 | 0 |
| Caught Stealing | MLB | 2025 | 1 |
| Stolen Bases | MLB | 2025 | 0 |
| Runs Batted In | MLB | 2025 | 0 |
| Home Runs | MLB | 2025 | 0 |
| Triples | MLB | 2025 | 0 |
| Doubles | MLB | 2025 | 0 |
| Hits | MLB | 2025 | 0 |
| Runs Scored | MLB | 2025 | 1 |
| At Bats | MLB | 2025 | 14 |
| Plate Appearances | MLB | 2025 | 14 |
| Games Played | MLB | 2025 | 7 |
| Wins Above Replacement for position players | MLB | 2025 | -0.4 |
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| Positions Played | MLB | 2023 | 7H/98D |
| Intentional Bases on Balls | MLB | 2023 | 0 |
| Sacrifice Flies | MLB | 2023 | 0 |
| Sacrifice Hits | MLB | 2023 | 1 |
| Times Hit by a Pitch | MLB | 2023 | 2 |
| GIDP | MLB | 2023 | 0 |
| Total Bases | MLB | 2023 | 11 |
| Rbat+ | MLB | 2023 | 145 |
| rOBA | MLB | 2023 | .389 |
| OPS+ | MLB | 2023 | 119 |
| OPS | MLB | 2023 | .812 |
| SLG | MLB | 2023 | .478 |
| OBP | MLB | 2023 | .333 |
| Hits/At Bats | MLB | 2023 | .217 |
| Strikeouts | MLB | 2023 | 10 |
| Bases on Balls/Walks | MLB | 2023 | 2 |
| Caught Stealing | MLB | 2023 | 1 |
| Stolen Bases | MLB | 2023 | 3 |
| Runs Batted In | MLB | 2023 | 1 |
| Home Runs | MLB | 2023 | 1 |
| Triples | MLB | 2023 | 1 |
| Doubles | MLB | 2023 | 1 |
| Hits | MLB | 2023 | 5 |
| Runs Scored | MLB | 2023 | 6 |
| At Bats | MLB | 2023 | 23 |
| Plate Appearances | MLB | 2023 | 28 |
| Games Played | MLB | 2023 | 22 |
| Wins Above Replacement for position players | MLB | 2023 | 0.0 |
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|
| Positions Played | MLB | 2022 | 798H/D |
| Intentional Bases on Balls | MLB | 2022 | 0 |
| Sacrifice Flies | MLB | 2022 | 1 |
| Sacrifice Hits | MLB | 2022 | 3 |
| Times Hit by a Pitch | MLB | 2022 | 2 |
| GIDP | MLB | 2022 | 2 |
| Total Bases | MLB | 2022 | 32 |
| Rbat+ | MLB | 2022 | 50 |
| rOBA | MLB | 2022 | .254 |
| OPS+ | MLB | 2022 | 51 |
| OPS | MLB | 2022 | .531 |
| SLG | MLB | 2022 | .271 |
| OBP | MLB | 2022 | .260 |
| Hits/At Bats | MLB | 2022 | .186 |
| Strikeouts | MLB | 2022 | 42 |
| Bases on Balls/Walks | MLB | 2022 | 10 |
| Caught Stealing | MLB | 2022 | 2 |
| Stolen Bases | MLB | 2022 | 8 |
| Runs Batted In | MLB | 2022 | 8 |
| Home Runs | MLB | 2022 | 2 |
| Triples | MLB | 2022 | 0 |
| Doubles | MLB | 2022 | 4 |
| Hits | MLB | 2022 | 22 |
| Runs Scored | MLB | 2022 | 17 |
| At Bats | MLB | 2022 | 118 |
| Plate Appearances | MLB | 2022 | 134 |
| Games Played | MLB | 2022 | 46 |
| Wins Above Replacement for position players | MLB | 2022 | 0.1 |
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| Positions Played | MLB | 2021 | /978H |
| Intentional Bases on Balls | MLB | 2021 | 0 |
| Sacrifice Flies | MLB | 2021 | 1 |
| Sacrifice Hits | MLB | 2021 | 0 |
| Times Hit by a Pitch | MLB | 2021 | 5 |
| GIDP | MLB | 2021 | 0 |
| Total Bases | MLB | 2021 | 16 |
| Rbat+ | MLB | 2021 | 139 |
| rOBA | MLB | 2021 | .400 |
| OPS+ | MLB | 2021 | 136 |
| OPS | MLB | 2021 | .849 |
| SLG | MLB | 2021 | .432 |
| OBP | MLB | 2021 | .417 |
| Hits/At Bats | MLB | 2021 | .270 |
| Strikeouts | MLB | 2021 | 13 |
| Bases on Balls/Walks | MLB | 2021 | 5 |
| Caught Stealing | MLB | 2021 | 0 |
| Stolen Bases | MLB | 2021 | 5 |
| Runs Batted In | MLB | 2021 | 2 |
| Home Runs | MLB | 2021 | 0 |
| Triples | MLB | 2021 | 1 |
| Doubles | MLB | 2021 | 4 |
| Hits | MLB | 2021 | 10 |
| Runs Scored | MLB | 2021 | 9 |
| At Bats | MLB | 2021 | 37 |
| Plate Appearances | MLB | 2021 | 48 |
| Games Played | MLB | 2021 | 15 |
| Wins Above Replacement for position players | MLB | 2021 | 0.5 |
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| Positions Played | MLB | 2020 | /79 |
| Intentional Bases on Balls | MLB | 2020 | 0 |
| Sacrifice Flies | MLB | 2020 | 0 |
| Sacrifice Hits | MLB | 2020 | 0 |
| Times Hit by a Pitch | MLB | 2020 | 1 |
| GIDP | MLB | 2020 | 0 |
| Total Bases | MLB | 2020 | 0 |
| Rbat+ | MLB | 2020 | 253 |
| rOBA | MLB | 2020 | .594 |
| OPS+ | MLB | 2020 | 138 |
| OPS | MLB | 2020 | .750 |
| SLG | MLB | 2020 | .000 |
| OBP | MLB | 2020 | .750 |
| Hits/At Bats | MLB | 2020 | .000 |
| Strikeouts | MLB | 2020 | 1 |
| Bases on Balls/Walks | MLB | 2020 | 2 |
| Caught Stealing | MLB | 2020 | 0 |
| Stolen Bases | MLB | 2020 | 1 |
| Runs Batted In | MLB | 2020 | 0 |
| Home Runs | MLB | 2020 | 0 |
| Triples | MLB | 2020 | 0 |
| Doubles | MLB | 2020 | 0 |
| Hits | MLB | 2020 | 0 |
| Runs Scored | MLB | 2020 | 1 |
| At Bats | MLB | 2020 | 1 |
| Plate Appearances | MLB | 2020 | 4 |
| Games Played | MLB | 2020 | 1 |
| Wins Above Replacement for position players | MLB | 2020 | 0.1 |
| Positions Played | MLB | 2020 | 7/8H |
| Intentional Bases on Balls | MLB | 2020 | 0 |
| Sacrifice Flies | MLB | 2020 | 1 |
| Sacrifice Hits | MLB | 2020 | 0 |
| Times Hit by a Pitch | MLB | 2020 | 1 |
| GIDP | MLB | 2020 | 0 |
| Total Bases | MLB | 2020 | 8 |
| Rbat+ | MLB | 2020 | 33 |
| rOBA | MLB | 2020 | .238 |
| OPS+ | MLB | 2020 | 44 |
| OPS | MLB | 2020 | .534 |
| SLG | MLB | 2020 | .320 |
| OBP | MLB | 2020 | .214 |
| Hits/At Bats | MLB | 2020 | .160 |
| Strikeouts | MLB | 2020 | 9 |
| Bases on Balls/Walks | MLB | 2020 | 1 |
| Caught Stealing | MLB | 2020 | 0 |
| Stolen Bases | MLB | 2020 | 1 |
| Runs Batted In | MLB | 2020 | 4 |
| Home Runs | MLB | 2020 | 1 |
| Triples | MLB | 2020 | 0 |
| Doubles | MLB | 2020 | 1 |
| Hits | MLB | 2020 | 4 |
| Runs Scored | MLB | 2020 | 3 |
| At Bats | MLB | 2020 | 25 |
| Plate Appearances | MLB | 2020 | 28 |
| Games Played | MLB | 2020 | 15 |
| Wins Above Replacement for position players | MLB | 2020 | 0.0 |
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| Positions Played | MLB | 2019 | 7H89 |
| Intentional Bases on Balls | MLB | 2019 | 1 |
| Sacrifice Flies | MLB | 2019 | 1 |
| Sacrifice Hits | MLB | 2019 | 4 |
| Times Hit by a Pitch | MLB | 2019 | 9 |
| GIDP | MLB | 2019 | 3 |
| Total Bases | MLB | 2019 | 80 |
| Rbat+ | MLB | 2019 | 69 |
| rOBA | MLB | 2019 | .294 |
| OPS+ | MLB | 2019 | 66 |
| OPS | MLB | 2019 | .636 |
| SLG | MLB | 2019 | .346 |
| OBP | MLB | 2019 | .290 |
| Hits/At Bats | MLB | 2019 | .229 |
| Strikeouts | MLB | 2019 | 53 |
| Bases on Balls/Walks | MLB | 2019 | 11 |
| Caught Stealing | MLB | 2019 | 2 |
| Stolen Bases | MLB | 2019 | 8 |
| Runs Batted In | MLB | 2019 | 27 |
| Home Runs | MLB | 2019 | 4 |
| Triples | MLB | 2019 | 3 |
| Doubles | MLB | 2019 | 9 |
| Hits | MLB | 2019 | 53 |
| Runs Scored | MLB | 2019 | 30 |
| At Bats | MLB | 2019 | 231 |
| Plate Appearances | MLB | 2019 | 256 |
| Games Played | MLB | 2019 | 89 |
| Wins Above Replacement for position players | MLB | 2019 | 0.4 |
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| Positions Played | MLB | 2018 | 89H/7D |
| Intentional Bases on Balls | MLB | 2018 | 1 |
| Sacrifice Flies | MLB | 2018 | 1 |
| Sacrifice Hits | MLB | 2018 | 4 |
| Times Hit by a Pitch | MLB | 2018 | 7 |
| GIDP | MLB | 2018 | 5 |
| Total Bases | MLB | 2018 | 91 |
| Rbat+ | MLB | 2018 | 77 |
| rOBA | MLB | 2018 | .307 |
| OPS+ | MLB | 2018 | 77 |
| OPS | MLB | 2018 | .654 |
| SLG | MLB | 2018 | .343 |
| OBP | MLB | 2018 | .310 |
| Hits/At Bats | MLB | 2018 | .257 |
| Strikeouts | MLB | 2018 | 58 |
| Bases on Balls/Walks | MLB | 2018 | 14 |
| Caught Stealing | MLB | 2018 | 4 |
| Stolen Bases | MLB | 2018 | 21 |
| Runs Batted In | MLB | 2018 | 20 |
| Home Runs | MLB | 2018 | 2 |
| Triples | MLB | 2018 | 3 |
| Doubles | MLB | 2018 | 11 |
| Hits | MLB | 2018 | 68 |
| Runs Scored | MLB | 2018 | 36 |
| At Bats | MLB | 2018 | 265 |
| Plate Appearances | MLB | 2018 | 291 |
| Games Played | MLB | 2018 | 91 |
| Wins Above Replacement for position players | MLB | 2018 | 0.3 |
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| Positions Played | MLB | 2017 | 8/H7 |
| Intentional Bases on Balls | MLB | 2017 | 0 |
| Sacrifice Flies | MLB | 2017 | 1 |
| Sacrifice Hits | MLB | 2017 | 0 |
| Times Hit by a Pitch | MLB | 2017 | 1 |
| GIDP | MLB | 2017 | 0 |
| Total Bases | MLB | 2017 | 12 |
| Rbat+ | MLB | 2017 | 48 |
| rOBA | MLB | 2017 | .272 |
| OPS+ | MLB | 2017 | 63 |
| OPS | MLB | 2017 | .625 |
| SLG | MLB | 2017 | .343 |
| OBP | MLB | 2017 | .282 |
| Hits/At Bats | MLB | 2017 | .229 |
| Strikeouts | MLB | 2017 | 8 |
| Bases on Balls/Walks | MLB | 2017 | 2 |
| Caught Stealing | MLB | 2017 | 0 |
| Stolen Bases | MLB | 2017 | 1 |
| Runs Batted In | MLB | 2017 | 6 |
| Home Runs | MLB | 2017 | 1 |
| Triples | MLB | 2017 | 0 |
| Doubles | MLB | 2017 | 1 |
| Hits | MLB | 2017 | 8 |
| Runs Scored | MLB | 2017 | 7 |
| At Bats | MLB | 2017 | 35 |
| Plate Appearances | MLB | 2017 | 39 |
| Games Played | MLB | 2017 | 25 |
| Wins Above Replacement for position players | MLB | 2017 | -0.2 |
|