| MassMutual Select T. Rowe Price Retirement Balanced Fund | Class I | MMBVX | — |
| MassMutual Select T. Rowe Price Retirement Balanced Fund | Class M5 | MMBWX | — |
| MassMutual Select T. Rowe Price Retirement Balanced Fund | Class M4 | MMBYX | — |
| MassMutual Select T. Rowe Price Retirement Balanced Fund | Class M3 | MMBZX | — |
| MassMutual Select T. Rowe Price Retirement 2045 Fund | Class I | MMFTX | — |
| MassMutual Select T. Rowe Price Retirement 2045 Fund | Class M5 | MMFUX | — |
| MassMutual Select T. Rowe Price Retirement 2045 Fund | Class M4 | MMFWX | — |
| MassMutual Select T. Rowe Price Retirement 2045 Fund | Class M3 | MMFZX | — |
| MassMutual Select T. Rowe Price Retirement 2050 Fund | Class I | MMDDX | — |
| MassMutual Select T. Rowe Price Retirement 2050 Fund | Class M5 | MMDFX | — |
| MassMutual Select T. Rowe Price Retirement 2050 Fund | Class M4 | MMDGX | — |
| MassMutual Select T. Rowe Price Retirement 2050 Fund | Class M3 | MMDHX | — |
| MassMutual Select T. Rowe Price Retirement 2055 Fund | Class I | MMDJX | — |
| MassMutual Select T. Rowe Price Retirement 2055 Fund | Class M5 | MMDKX | — |
| MassMutual Select T. Rowe Price Retirement 2055 Fund | Class M4 | MMDMX | — |
| MassMutual Select T. Rowe Price Retirement 2055 Fund | Class M3 | MMDOX | — |
| MassMutual Select T. Rowe Price Retirement 2060 Fund | Class I | MMSKX | — |
| MassMutual Select T. Rowe Price Retirement 2060 Fund | Class M5 | MMSOX | — |
| MassMutual Select T. Rowe Price Retirement 2060 Fund | Class M4 | MMSGX | — |
| MassMutual Select T. Rowe Price Retirement 2060 Fund | Class M3 | MMSVX | — |
| MassMutual Select T. Rowe Price Bond Asset Fund | Class I | MMBEX | — |
| MassMutual Select T. Rowe Price Emerging Markets Bond Fund | Class I | — | — |
| MassMutual Select T. Rowe Price Large Cap Blend Fund | Class I | MMLRX | — |
| MassMutual Select T. Rowe Price Limited Duration Inflation Focused Bond Fund | Class I | — | — |
| MassMutual Select T. Rowe Price Real Assets Fund | Class I | MMRFX | — |