| Single Regular Season (Min 120 AB) | Career Regular Season (Min 150 AB) | ||||
| Player | Year | OBP | Player | OBP | |
| Rice, Ben | 2020 | .467 | Noriega, Gavin | .459 | |
| Noriega, Gavin | 2021 | .467 | Rice, Ben | .456 | |
| Noriega, Gavin | 2022 | .451 | Bastunas, Tyler | .442 | |
| Ricciardi, Mariano | 2018 | .448 | Rinaldi, Chris | .422 | |
| Bastunas, Tyler | 2023 | .442 | Dellicarri, Michael | .422 | |
| Ricciardi, Mariano | 2019 | .437 | Bucciero, Daniel | .413 | |
| Rinaldi, Chris | 2018 | .434 | Thorbahn, Jack | .411 | |
| Cheli, Mack | 2018 | .429 | Bournigal, Rafael | .407 | |
| Dellicarri, Michael | 2018 | .422 | Ricciardi, Mariano | .400 | |
| Strom, Ian | 2015 | .419 | Cheli, Mack | .399 | |
| Single Playoff Season (Min 3 Games) | Career Playoffs (Min 5 Games) | ||||
| Player | Year | OBP | Player | OBP | |
| Bournigal, Rafael | 2017 | .625 | Tristan, Gavin | .524 | |
| Walraven, Tom | 2016 | .571 | Rice, Ben | .452 | |
| Sidwell, Kirk | 2018 | .556 | Bournigal, Rafael | .452 | |
| Lack, Andy | 2014 | .533 | Ricciardi, Mariano | .448 | |
| Tristan, Gavin | 2015 | .524 | Thrasher, John | .444 | |
| Ricciardi, Marinao | 2019 | .517 | Doody, Kevin | .435 | |
| Strom, Ian | 2014 | .500 | Cheli, Mack | .429 | |
| Shaw, Matt | 2020 | .500 | Kocinski, Greg | .405 | |
| Taveras, Idelson | 2018 | .500 | Strom, Ian | .400 | |
| Livingston, Riley | .375 |